Brief Article
Copyright ©2014 Baishideng Publishing Group Co.
World J Gastroenterol. May 7, 2014; 20(17): 5074-5081
Published online May 7, 2014. doi: 10.3748/wjg.v20.i17.5074
Table 1 Distribution of demographic characteristics, pathology and endoscopy results by county n (%)
CountyMedian age (range, yr)Gender
Endoscopy
Pathology
Total
MaleFemaleNormalAbnormalPositiveNegative
Linzhou51 (32)2876 (42.53)3887 (57.47)6159 (91.07)604 (8.93)144 (2.13)6619 (97.87)6763 (18.08)
Cixian50 (33)3004 (46.47)3461 (53.53)5512 (85.26)953 (14.74)45 (0.70)6420 (99.30)6465 (17.29)
Shexian50 (32)1933 (45.82)2286 (54.18)3588 (85.04)631 (14.96)7 (0.17)4212 (99.83)4219 (11.28)
Feicheng52 (32)1552 (51.87)1440 (48.13)1976 (66.04)1016 (33.96)30 (1.00)2962 (99.00)2992 (8.00)
Yangzhong49 (34)2367 (49.59)2406 (50.41)4721 (98.91)52 (1.09)41 (0.86)4732 (99.14)4773 (12.76)
Taixing52 (34)1345 (41.08)1929 (58.92)3219 (98.32)55 (1.68)20 (0.61)3254 (99.39)3274 (8.75)
Yangcheng51 (34)1521 (50.72)1478 (49.28)2964 (98.83)35 (1.17)3 (0.10)2996 (99.90)2999 (8.02)
Yanting53 (29)3118 (52.75)2793 (47.25)5852 (99.00)59 (1.00)10 (0.17)5901 (99.83)5911 (15.81)
Total51 (34)17716 (47.37)19680 (52.63)33991 (90.89)3405 (9.11)300 (0.80)37096 (99.20)37396 (100.00)
Table 2 Distribution of pathologic diagnoses by mucosa manifestation, total number of endoscopies performed and number of years performing endoscopy n (%)
DistributionPathology
TotalP value
PositiveNegative
Mucosa manifestation (at endoscopy)< 0.0011
Abnormal206 (6.05)3199 (93.95)3405
Normal94 (0.28)33897 (99.72)33991
Total number of endoscopies performed0.00651
< 500046 (0.55)8275 (99.45)8321
5000-1000019 (0.92)2053 (99.08)2072
> 10000235 (0.87)26768 (99.13)27003
Years of performing endoscopy< 0.0011
< 511 (0.18)6009 (99.82)6020
5-1086 (0.50)16952 (99.50)17038
> 10203 (1.42)14135 (98.58)14338
Table 3 Multivariate logistic regression analysis: Independent variables and corresponding odds ratios for positive pathologic diagnosis
Selected variablesbOROR, 95%CIP value
Age (yr)0.081.091.07, 1.10< 0.00011
Gender
Male0.422.321.75, 3.06< 0.00011
Female0.001.00
County
Linzhou0.001.00
Cixian-0.390.200.0508
Shexian-1.760.050.02, 0.11< 0.00011
Feicheng-0.720.140.09, 0.220.00041
Yangzhong2.032.191.27, 3.76< 0.00011
Taixing0.660.560.33, 0.930.00691
Yangcheng-0.550.170.3177
Yanting-0.510.170.0975
Endoscopy
Abnormal1.7432.5123.96, 44.09< 0.00011
Normal0.001.00
Total number of endoscopies performed
< 5000-0.470.450.22, 0.910.01101
5000-100000.001.00
> 100000.130.810.3014