Liang YX, Guo HH, Deng JY, Wang BG, Ding XW, Wang XN, Zhang L, Liang H. Impact of intraoperative blood loss on survival after curative resection for gastric cancer. World J Gastroenterol 2013; 19(33): 5542-5550 [PMID: 24023499 DOI: 10.3748/wjg.v19.i33.5542]
Corresponding Author of This Article
Dr. Han Liang, Department of Gastric Cancer, Tianjin Medical University Cancer institute and hospital, Huanhuxi Road, Hexi District, Tianjin 300060, China. tjlianghan@sohu.com
Research Domain of This Article
Oncology
Article-Type of This Article
Brief Article
Open-Access Policy of This Article
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Table 4 Association between clinicapothologic factors and the amount of intraoperative blood loss: univariate analysis
Characteristics
n (%)
Amount of IBL (mL) (mean ± SD)
t/F
P value
Gender
1.770
0.077
Male
607 (71.8)
191.4 ± 128.6
Female
238 (28.2)
175.2 ± 92.5
Age (yr)
-1.128
0.260
≤ 65
489 (57.9)
182.9 ± 121.8
> 65
356 (42.1)
192.3 ± 116.7
Tumor location
12.455
< 0.001
Lower 1/3
367 (43.4)
160.9 ± 87.8
Middle 1/3
83 (9.8)
179.5 ± 103.0
Upper 1/3
296 (35.0)
213.2 ± 127.5
2/3 or more
99 (11.7)
210.6 ± 177.5
Tumor size
-4.129
< 0.001
< 5 cm
348 (41.2)
166.7 ± 92.8
≥ 5 cm
497 (58.8)
200.9 ± 133.7
Borrmann type
I/II
355 (42.0)
187.5 ± 127.0
0.128
0.899
III/IV
490 (58.0)
186.4 ± 114.3
Histology
-0.160
0.873
Differentiated
281 (33.3)
185.9 ± 107.7
Undifferentiated
564 (66.7)
187.3 ± 125.3
Extranodal metastasis
-1.040
0.299
Negative
701 (83.0)
184.9 ± 119.7
Positive
144 (17.0)
196.3 ± 119.6
TNM stage
4.974
0.007
I
96 (11.4)
154.2 ± 67.1
II
269 (31.8)
183.3 ± 135.9
III
480 (56.8)
195.4 ± 117.1
Type of gastrectomy
-5.963
< 0.001
Subtotal
653 (77.3)
173.8 ± 102.3
Total
192 (22.7)
231.2 ± 158.1
Combined organ resection
-5.329
< 0.001
Absent
778 (92.1)
180.5 ± 110.9
Present
67 (7.9)
260.4 ± 180.0
Extent of llymphadenectomy
-2.676
0.008
D2 and D2+
397 (47.0)
175.2 ± 95.4
D1
448 (53.0)
197.2 ± 136.9
Year of surgery
-2.494
0.013
2003-2005
489 (57.9)
195.1 ± 133.6
2006-2007
356 (42.1)
174.3 ± 97.6
Table 5 Multivariate analysis of risk factors for intraoperative blood loss ≥ 200 mL
Feature
HR
95%CI
P value
Tumor location
Upper 1/3 and 2/3 or more vs lower and middle 1/3
1.717
1.272-2.317
< 0.001
Tumor size
≥ 5 cm vs < 5 cm
1.129
0.833-1.513
0.434
TNM stage
III vs I, II
1.174
0.872-1.580
0.290
Extent of gastrectomy
D1 vs D2 and D2+
1.161
0.860-1.566
0.330
Type of gastrectomy
Total vs subtotal
2.501
1.707-3.663
< 0.001
Combined organ resection
Present vs absent
1.996
1.089-3.659
0.025
Year of surgery
2003-2005 vs 2006-2007
1.452
1.080-1.954
0.014
Citation: Liang YX, Guo HH, Deng JY, Wang BG, Ding XW, Wang XN, Zhang L, Liang H. Impact of intraoperative blood loss on survival after curative resection for gastric cancer. World J Gastroenterol 2013; 19(33): 5542-5550