©The Author(s) 2017.
World J Gastroenterol. Apr 28, 2017; 23(16): 2948-2956
Published online Apr 28, 2017. doi: 10.3748/wjg.v23.i16.2948
Published online Apr 28, 2017. doi: 10.3748/wjg.v23.i16.2948
Table 2 Outpatient visits and examination of pyogenic liver abscess cases and controls n (%)
| Demographic and clinical characteristics | Cases(n = 2135) | Controls(n = 10675) | Total(n = 12810) | P value |
| Frequency of OPD visits | ||||
| < 1 | 119 (5.6) | 2781 (26.1) | 2900 | < 0.001 |
| 1-2 | 243 (11.4) | 1989 (18.6) | 2232 | |
| 3-7 | 774 (36.3) | 3403 (31.9) | 4177 | |
| ≥ 8 | 999 (46.8) | 2502 (23.4) | 3501 | |
| Frequency of abdominal ultrasound | ||||
| 0 | 1692 (79.3) | 10329 (96.8) | 12021 | < 0.001 |
| 1 | 358 (16.8) | 321 (3.0) | 679 | |
| ≥ 2 | 85 (4.0) | 25 (0.2) | 110 | |
| Abdominal ultrasound | ||||
| with | 443 (20.8) | 346 (3.2) | 789 | < 0.001 |
| without | 1692 (79.3) | 10329 (96.8) | 12021 | |
| ERCP-related procedures | ||||
| with | 107 (5.0) | 9 (0.1) | 116 | < 0.001 |
| without | 2028 (95.0) | 10666 (99.9) | 12694 | |
| Upper GI panendoscopy | ||||
| with | 172 (8.1) | 131 (1.2) | 303 | < 0.001 |
| without | 1963 (91.9) | 10544 (98.8) | 12507 | |
| Lower GI endoscopy | ||||
| with | 36 (1.7) | 53 (0.5) | 89 | < 0.001 |
| without | 2099 (98.3) | 10622 (99.5) | 12721 | |
| Upper or lower GI endoscopy | ||||
| with | 189 (8.9) | 171 (1.6) | 360 | < 0.001 |
| without | 1946 (91.2) | 10504 (98.4) | 12450 | |
| Upper GI panendoscopy | ||||
| upper GI only1 | 150 (7.0) | 130 (1.2) | 280 | < 0.001 |
| upper GI with ERCP-related procedures | 22 (1.0) | 1 (0.0) | 23 | |
| ERCP without upper GI | 85 (4.0) | 8 (0.1) | 93 | |
| None2 | 1878 (88.0) | 10536 (98.7) | 12414 | |
| Lower GI endoscopy | ||||
| lower GI only1 | 34 (1.6) | 53 (0.5) | 87 | < 0.001 |
| lower GI with ERCP-related procedures | 2 (0.1) | 0 (0.0) | 2 | |
| ERCP without lower GI | 105 (4.9) | 9 (0.1) | 114 | |
| None2 | 1994 (93.4) | 10613 (99.4) | 12607 | |
| Upper or lower GI endoscopy | ||||
| upper or lower GI only1 | 166 (7.8) | 170 (1.6) | 336 | < 0.001 |
| upper or lower GI with ERCP-related procedures | 23 (1.1) | 1 (0.0) | 24 | |
| ERCP without upper or lower GI | 84 (3.9) | 8 (0.1) | 92 | |
| None2 | 1862 (87.2) | 10496 (98.3) | 12450 | |
- Citation: Tsai MJ, Lu CL, Huang YC, Liu CH, Huang WT, Cheng KY, Chen SCC. Recent upper gastrointestinal panendoscopy increases the risk of pyogenic liver abscess. World J Gastroenterol 2017; 23(16): 2948-2956
- URL: https://www.wjgnet.com/1007-9327/full/v23/i16/2948.htm
- DOI: https://dx.doi.org/10.3748/wjg.v23.i16.2948