Brief Articles
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Jul 7, 2009; 15(25): 3183-3190
Published online Jul 7, 2009. doi: 10.3748/wjg.15.3183
Table 1 Clinicopathological factors of the three groups
Clinicopathological factorsEA group (54)EP group (45)EE group (50)P
Age (yr)62.5 ± 5.456.6 ± 7.665.1 ± 8.60.668
Gender0.775
Male362930
Female181620
Tumor size (cm)4.6 ± 1.65.0 ± 1.74.8 ± 1.30.963
Histological type0.993
Well-differentiated181517
Moderately differentiated201719
Poorly differentiated1098
Signet ring cell type646
Lauren’s classification0.978
Intestinal302427
Diffuse181617
Mixed656
Lymph node status0.989
Negative383436
Positive161114
Lymphovascular invasion0.989
Negative453842
Positive978
Stage0.788
I171618
II211720
IIIa1179
IIIb553
Table 2 Surgical results comparison among the three groups
Surgical factorsEA groupEP groupPEA groupEE groupPEP groupEE groupP
Additional organ resection0.6090.8310.766
Splenectomy870.919870.906770.832
Splenopancreatectomy120.456120.515220.915
Transverse mesocolectomy220.853230.586230.736
Wedge liver resection110.897120.515120.623
Margin status0.6700.9380.623
Negative524452484448
Positive212212
Lymph node dissection0.9020.8040.721
D1151215141214
≥ D2393339363336
No. of lymph nodes29.6 ± 7.628.5 ± 6.80.52429.6 ± 7.630.1 ± 7.20.85728.5 ± 6.830.1 ± 7.20.657
Operating time (min)166.3 ± 47.5156.8 ± 53.10.758166.3 ± 47.5149.7 ± 61.20.564156.8 ± 53.1149.7 ± 61.20.265
Blood loss (mL)263.4 ± 112.6267.3 ± 121.60.273263.4 ± 112.6276.9 ± 135.50.647267.3 ± 121.6276.9 ± 135.50.798
Postoperative stay (d)18.0 ± 5.720.9 ± 7.80.87418.0 ± 5.719.0 ± 5.70.95320.9 ± 7.819.0 ± 5.70.849
Postoperative complications12110.79512130.65411130.862
Mortality010.273010.299110.940
Table 3 Comparison of evaluation scores for 6 mo postoperative QOL among the three groups (mean ± SD)
QuestionEA groupEP groupPEA groupEE groupPEP groupEE groupP
Frequency of eating0.76 ± 0.7990.80 ± 0.9680.9570.76 ± 0.7990.78 ± 0.6160.6640.80 ± 0.9680.78 ± 0.6160.698
Eating time1.83 ± 0.3761.58 ± 0.4990.005a1.83 ± 0.3761.42 ± 0.6420.000a1.58 ± 0.4991.42 ± 0.6420.287
Consistency of food0.76 ± 0.8450.71 ± 0.8150.8030.76 ± 0.8450.84 ± 0.7920.5430.71 ± 0.8150.84 ± 0.7920.391
Volume of food1.20 ± 0.8100.60 ± 0.7800.000a1.20 ± 0.8100.58 ± 0.7020.000a0.60 ± 0.7800.58 ± 0.7020.950
Body weight0.80 ± 0.7110.78 ± 0.6360.9690.80 ± 0.7110.66 ± 0.8480.2210.78 ± 0.6360.66 ± 0.8480.225
Appetite1.13 ± 0.6740.87 ± 0.9680.1201.13 ± 0.6741.16 ± 0.8170.7240.87 ± 0.9681.16 ± 0.8170.118
Difficulty swallowing1.56 ± 0.6641.42 ± 0.7230.3331.56 ± 0.6641.54 ± 0.7340.8981.42 ± 0.7231.54 ± 0.7340.308
Diarrhea1.83 ± 0.3761.69 ± 0.7330.8431.83 ± 0.3761.78 ± 0.5820.8521.69 ± 0.7331.78 ± 0.5820.734
Heartburn or belch1.37 ± 0.7080.73 ± 0.8630.000a1.37 ± 0.7080.80 ± 0.7560.000a0.73 ± 0.8630.80 ± 0.7560.547
Postprandial discomfort1.46 ± 0.6931.24 ± 0.9570.4331.46 ± 0.6931.52 ± 0.6770.6461.24 ± 0.9571.52 ± 0.6770.267
Abdominal pain1.54 ± 0.7701.49 ± 0.7870.7211.54 ± 0.7701.60 ± 0.4950.6981.49 ± 0.7871.60 ± 0.4950.965
Vomiting1.48 ± 0.7711.49 ± 0.7570.9931.48 ± 0.7711.68 ± 0.4710.3681.49 ± 0.7571.68 ± 0.4710.389
General fatigue1.80 ± 0.5281.82 ± 0.3870.7921.80 ± 0.5281.92 ± 0.2740.2501.82 ± 0.3871.92 ± 0.2740.154
Dizziness1.80 ± 0.5621.89 ± 0.3180.6871.80 ± 0.5621.74 ± 0.6000.5071.89 ± 0.3181.74 ± 0.6000.289
Intestinal obstruction1.65 ± 0.5551.56 ± 0.6930.6691.65 ± 0.5551.66 ± 0.5190.9971.56 ± 0.6931.66 ± 0.5190.667
Performance status1.54 ± 0.7191.64 ± 0.7430.2401.54 ± 0.7191.58 ± 0.6420.9101.64 ± 0.7431.58 ± 0.6420.269
Early dumping syndrome1.54 ± 0.6651.40 ± 0.7200.3191.54 ± 0.6651.42 ± 0.6730.3071.40 ± 0.7201.42 ± 0.6730.970
Late dumping syndrome1.78 ± 0.5021.73 ± 0.6880.6691.78 ± 0.5021.86 ± 0.4520.2411.73 ± 0.6881.86 ± 0.4520.532
Physical condition1.67 ± 0.6731.80 ± 0.5480.2581.67 ± 0.6731.76 ± 0.5170.6611.80 ± 0.5481.76 ± 0.5170.450
Wound pain, present1.57 ± 0.6901.53 ± 0.8150.8741.57 ± 0.6901.62 ± 0.4900.8091.53 ± 0.8151.62 ± 0.4900.704
Wound pain, postoperative1.07 ± 0.8661.18 ± 0.7160.6001.07 ± 0.8661.22 ± 0.7640.4131.18 ± 0.7161.22 ± 0.7640.727
Satisfaction with operation1.57 ± 0.6901.69 ± 0.5570.4951.57 ± 0.6901.66 ± 0.6880.3571.69 ± 0.5571.66 ± 0.6880.784
Recommendation to others1.41 ± 0.7141.29 ± 0.7870.4841.41 ± 0.7141.46 ± 0.7060.6801.29 ± 0.7871.46 ± 0.7060.290
Mood or feeling1.67 ± 0.6731.67 ± 0.7070.8591.67 ± 0.6731.70 ± 0.4630.6101.67 ± 0.7071.70 ± 0.4630.507
Total1.45 ± 0.7481.36 ± 0.8250.0591.45 ± 0.7481.42 ± 0.7430.1471.36 ± 0.8251.42 ± 0.7430.389
Table 4 Comparison of evaluation scores of 24 mo postoperative QOL among the three groups (mean ± SD)
QuestionEA groupEP groupPEA groupEE groupPEP groupEE groupP
Frequency of eating1.67 ± 0.5831.62 ± 0.6140.7111.67 ± 0.5831.70 ± 0.5800.6931.62 ± 0.6141.70 ± 0.5800.461
Eating time1.85 ± 0.3591.78 ± 0.4710.4721.85 ± 0.3591.88 ± 0.3280.6761.78 ± 0.4711.88 ± 0.3280.273
Consistency of food1.65 ± 0.6191.73 ± 0.6180.3061.65 ± 0.6191.80 ± 0.5350.1051.73 ± 0.6181.80 ± 0.5350.601
Volume of food1.69 ± 0.6391.62 ± 0.6840.6131.69 ± 0.6391.70 ± 0.5800.9151.62 ± 0.6841.70 ± 0.5800.680
Body weight1.48 ± 0.6371.13 ± 0.6250.005a1.48 ± 0.6371.14 ± 0.0470.030a1.13 ± 0.6251.14 ± 0.0470.837
Appetite1.57 ± 0.6621.78 ± 0.5600.0561.57 ± 0.6621.70 ± 0.5800.2901.78 ± 0.5601.70 ± 0.5800.349
Difficulty swallowing1.52 ± 0.7201.49 ± 0.7870.1161.52 ± 0.7201.74 ± 0.6000.0591.49 ± 0.7871.74 ± 0.6000.136
Diarrhea1.87 ± 0.3391.80 ± 0.5050.6541.87 ± 0.3391.82 ± 0.5230.9771.80 ± 0.5051.82 ± 0.5230.658
Heartburn or belch1.78 ± 0.5021.73 ± 0.5390.6511.78 ± 0.5021.38 ± 0.8050.005a1.73 ± 0.5391.38 ± 0.8050.023a
Postprandial discomfort1.69 ± 0.6091.07 ± 0.9150.000a1.69 ± 0.6091.22 ± 0.7900.001a1.07 ± 0.9151.22 ± 0.7900.445
Abdominal pain1.65 ± 0.6491.60 ± 0.7200.8481.65 ± 0.6491.70 ± 0.5050.9681.60 ± 0.7201.70 ± 0.5050.841
Vomiting1.69 ± 0.5771.67 ± 0.6740.8141.69 ± 0.5771.70 ± 0.4630.7861.67 ± 0.6741.70 ± 0.4630.628
General fatigue1.76 ± 0.5811.78 ± 0.4200.6261.76 ± 0.5811.84 ± 0.3700.8001.78 ± 0.4201.84 ± 0.3700.442
Dizziness1.83 ± 0.5051.93 ± 0.2520.4101.83 ± 0.5051.80 ± 0.5350.6711.93 ± 0.2521.80 ± 0.5350.223
Intestinal obstruction1.78 ± 0.5021.64 ± 0.6790.3961.78 ± 0.5021.68 ± 0.5130.2041.64 ± 0.6791.68 ± 0.5130.771
Performance status1.63 ± 0.6531.71 ± 0.6610.3221.63 ± 0.6531.70 ± 0.4630.9511.71 ± 0.6611.70 ± 0.4630.318
Early dumping syndrome1.70 ± 0.6031.62 ± 0.6500.4651.70 ± 0.6031.60 ± 0.7280.5601.62 ± 0.6501.60 ± 0.7280.901
Late dumping syndrome1.70 ± 0.5371.73 ± 0.5800.5671.70 ± 0.5371.72 ± 0.4790.9661.73 ± 0.5801.72 ± 0.4790.594
Physical condition1.72 ± 0.6271.64 ± 0.7120.6161.72 ± 0.6271.76 ± 0.4760.8201.64 ± 0.7121.76 ± 0.4760.753
Wound pain, present1.83 ± 0.4231.73 ± 0.5800.4501.83 ± 0.4231.78 ± 0.4650.4941.73 ± 0.5801.78 ± 0.4650.910
Wound pain, postoperative1.07 ± 0.8661.18 ± 0.7160.6001.07 ± 0.8661.22 ± 0.7640.4131.18 ± 0.7161.22 ± 0.7640.727
Satisfaction with operation1.72 ± 0.5961.76 ± 0.4840.9371.72 ± 0.5961.72 ± 05360.7461.76 ± 0.4841.72 ± 0.5360.807
Recommendation to others1.59 ± 0.5671.42 ± 0.6900.2391.59 ± 0.5671.54 ± 0.6460.7951.42 ± 0.6901.54 ± 0.6460.382
Mood or feeling1.63 ± 0.7081.71 ± 0.6950.3711.63 ± 0.7081.66 ± 0.5190.6341.71 ± 0.6951.66 ± 0.5190.162
Total1.67 ± 0.6121.61 ± 0.6630.1161.67 ± 0.6121.65 ± 0.6090.1501.61 ± 0.6631.65 ± 0.6090.532
Table 5 Comparison of evaluation scores of QOL at 6 and 24 mo postoperatively between the same group (mean ± SD)
QuestionEA group
PEP group
PEE group
P
6 mo24 mo6 mo24 mo6 mo24 mo
Frequency of eating0.76 ± 0.7991.67 ± 0.5830.000a0.80 ± 0.9681.62 ± 0.6140.000a0.78 ± 0.6161.70 ± 0.5800.000a
Eating time1.83 ± 0.3761.85 ± 0.3590.7931.58 ± 0.4991.78 ± 0.4710.031a1.42 ± 0.6421.88 ± 0.3280.000a
Consistency of food0.76 ± 0.8451.65 ± 0.6190.000a0.71 ± 0.8151.73 ± 0.6180.000a0.84 ± 0.7921.80 ± 0.5350.000a
Volume of food1.20 ± 0.8101.69 ± 0.6390.001a0.60 ± 0.7801.62 ± 0.6840.000a0.58 ± 0.7021.70 ± 0.5800.000a
Body weight0.80 ± 0.7111.48 ± 0.6370.000a0.78 ± 0.6361.13 ± 0.6250.010a0.66 ± 0.8481.14 ± 0.0470.004a
Appetite1.13 ± 0.6741.57 ± 0.6620.000a0.87 ± 0.9681.78 ± 0.5600.000a1.16 ± 0.8171.70 ± 0.5800.000a
Difficulty swallowing1.56 ± 0.6641.52 ± 0.7200.8901.42 ± 0.7231.49 ± 0.7870.4311.54 ± 0.7341.74 ± 0.6000.112
Diarrhea1.83 ± 0.3761.87 ± 0.3390.5901.69 ± 0.7331.80 ± 0.5050.8231.78 ± 0.5821.82 ± 0.5230.754
Heartburn or belch1.37 ± 0.7081.78 ± 0.5020.001a0.73 ± 0.8631.73 ± 0.5390.000a0.80 ± 0.7561.38 ± 0.8050.000a
Postprandial discomfort1.46 ± 0.6931.69 ± 0.6090.0521.24 ± 0.9571.07 ± 0.9150.3211.52 ± 0.6771.22 ± 0.7900.048a
Abdominal pain1.54 ± 0.7701.65 ± 0.6490.5471.49 ± 0.7871.60 ± 0.7200.4811.60 ± 0.4951.70 ± 0.5050.241
Vomiting1.48 ± 0.7711.69 ± 0.5770.1991.49 ± 0.7571.67 ± 0.6740.1881.68 ± 0.4711.70 ± 0.4630.830
General fatigue1.80 ± 0.5281.76 ± 0.5810.7751.82 ± 0.3871.78 ± 0.4200.6001.92 ± 0.2741.84 ± 0.3700.221
Dizziness1.80 ± 0.5621.83 ± 0.5050.7571.89 ± 0.3181.93 ± 0.2520.4611.74 ± 0.6001.80 ± 0.5350.585
Intestinal obstruction1.65 ± 0.5551.78 ± 0.5020.1381.56 ± 0.6931.64 ± 0.6790.4171.66 ± 0.5191.68 ± 0.5130.834
Performance status1.54 ± 0.7191.63 ± 0.6530.5021.64 ± 0.7431.71 ± 0.6610.7401.58 ± 0.6421.70 ± 0.4630.498
Early dumping syndrome1.54 ± 0.6651.70 ± 0.6030.1141.40 ± 0.7201.62 ± 0.6500.0971.42 ± 0.6731.60 ± 0.7280.072
Late dumping syndrome1.78 ± 0.5021.70 ± 0.5370.3771.73 ± 0.6881.73 ± 0.5800.5381.86 ± 0.4521.72 ± 0.4790.050
Physical condition1.67 ± 0.6731.72 ± 0.6270.6371.80 ± 0.5481.64 ± 0.7120.2591.76 ± 0.5171.76 ± 0.4760.853
Wound pain, present1.57 ± 0.6901.83 ± 0.4230.031a1.53 ± 0.8151.73 ± 0.5800.3261.62 ± 0.4901.78 ± 0.4650.059
Wound pain, postoperative1.07 ± 0.8661.07 ± 0.8661.0001.18 ± 0.7161.18 ± 0.7161.0001.22 ± 0.7641.22 ± 0.7641.000
Satisfaction with operation1.57 ± 0.6901.72 ± 0.5960.1971.69 ± 0.5571.76 ± 0.4840.5971.66 ± 0.6881.72 ± 05360.599
Recommendation to others1.41 ± 0.7141.59 ± 0.5670.2061.29 ± 0.7871.42 ± 0.6900.4671.46 ± 0.7061.54 ± 0.6460.606
Mood or feeling1.67 ± 0.6731.63 ± 0.7080.8021.67 ± 0.7071.71 ± 0.6950.6361.70 ± 0.4631.66 ± 0.5190.780
Total1.45 ± 0.7481.67 ± 0.6120.015a1.36 ± 0.8251.61 ± 0.6630.007a1.42 ± 0.7431.65 ± 0.6090.011a
Table 6 Comparison of evaluation scores of 6 and 24 mo postoperative Spitzer Index among the three groups (mean ± SD)
FactorsEA groupEP groupPEA groupEE groupPEP groupEE groupP
6 mo
Activity1.74 ± 0.5561.80 ± 0.5480.4031.74 ± 0.5561.76 ± 0.4760.9201.80 ± 0.5481.76 ± 0.4760.347
Daily living1.85 ± 0.3591.78 ± 0.4200.3441.85 ± 0.3591.84 ± 0.4220.9401.78 ± 0.4201.84 ± 0.4220.326
Health1.65 ± 0.5881.62 ± 0.5350.6301.65 ± 0.5881.76 ± 0.5170.2661.62 ± 0.5351.76 ± 0.5170.115
Support1.78 ± 0.4621.71 ± 0.5060.4671.78 ± 0.4621.74 ± 0.4870.6611.71 ± 0.5061.74 ± 0.4870.767
Outlook1.76 ± 0.4731.73 ± 0.5390.9461.76 ± 0.4731.78 ± 0.4650.7901.73 ± 0.5391.78 ± 0.4650.752
24 mo
Activity1.72 ± 0.4921.71 ± 0.5060.8351.72 ± 0.4921.82 ± 0.3880.6741.71 ± 0.5061.82 ± 0.3880.802
Daily living1.87 ± 0.3391.84 ± 0.3670.7141.87 ± 0.3391.90 ± 0.3640.7241.84 ± 0.3671.90 ± 0.3640.273
Health1.76 ± 0.4731.76 ± 0.4840.3521.76 ± 0.4731.90 ± 0.3030.5571.76 ± 0.4841.90 ± 0.3030.947
Support1.80 ± 0.4511.80 ± 0.4570.3671.80 ± 0.4511.84 ± 0.3700.8391.80 ± 0.4571.84 ± 0.3700.583
Outlook1.83 ± 0.3761.76 ± 0.5290.8921.83 ± 0.3761.70 ± 0.6140.6921.76 ± 0.5291.70 ± 0.6140.793
Table 7 Comparison of evaluation scores of Spitzer Index at 6 and 24 mo postoperatively between the same group (mean ± SD)
FactorsEA group
PEP group
PEE group
P
6 mo24 mo6 mo24 mo6 mo24 mo
Activity1.74 ± 0.5561.72 ± 0.4920.5831.80 ± 0.5481.71 ± 0.5060.1641.76 ± 0.4761.82 ± 0.3880.588
Daily living1.85 ± 0.3591.87 ± 0.3390.7821.78 ± 0.4201.84 ± 0.3670.4221.84 ± 0.4221.90 ± 0.3640.350
Health1.65 ± 0.5881.76 ± 0.4730.3421.62 ± 0.5351.76 ± 0.4840.1771.76 ± 0.5171.90 ± 0.3030.148
Support1.78 ± 0.4621.80 ± 0.4510.8131.71 ± 0.5061.80 ± 0.4570.3251.74 ± 0.4871.84 ± 0.3700.301
Outlook1.76 ± 0.4731.83 ± 0.3760.4441.73 ± 0.5391.76 ± 0.5290.8071.78 ± 0.4651.70 ± 0.6140.701