Recent upper gastrointestinal panendoscopy increases the risk of pyogenic liver abscess

doi:10.3748/wjg.v23.i16.2948

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Apr 28, 2017; 23(16): 2948-2956
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

¹Only means patients who received GI endoscopy only and didn’t receive ERCP-related procedures within the previous 90 d;

²None means patients who did not receive GI endoscopy (upper or lower) and ERCP-related procedures within the previous 90 d. ERCP: Endoscopic retrograde cholangiopancreatography; GI: Gastrointestinal; OPD: Outpatient department.

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