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. 2020 Oct 6;8(19):4416–4430. doi: 10.12998/wjcc.v8.i19.4416

Table 1.

Demographics and characteristics of studies included in this meta-analysis

Ref. Country M/F ratio Age, mean or median Period of recruitment PC cases/AP cases AP verification PC verification Effect value and 95%CI
Cohort studies
Rijkers et al[20], 2017 Netherlands 1.19 58.0 2004-2007 5/731 Clinical evaluation Clinical evaluation SIR 1.1 (0.3-3.3)
Kirkegård et al[21], 20181 Denmark 1.21 55.8 1980-2013 937/41669 ICD code ICD code HR 2.02 (1.57-2.61)2
Pang et al[22], 20181 China 0.69 51.5 2004-2008 13/1066 ICD code ICD code HR 9.99 (3.20-31.16)2
Munigala et al[23], 20141 United States 13.29 57.0 1998-2000 86/5720 ICD code ICD code RR 1.05 (0.14-7.68)2
Chung et al[24], 20121 China 1.96 > 40 2000-2003 11/747 ICD code ICD code HR 9.10 (3.81-21.76)
Ekbom et al[25], 1994 Sweden 1.19 55.6 1965-1983 NA/NA ICD code ICD code SIR 0.9 (0.2-2.5)2
Sadr-Azodi et al[10], 20181 Sweden 1.06 62.0 1997-2013 536/49749 ICD code ICD code HR 1.24 (0.68-2.25)2
Goldacre et al[26], 20081 Britain 0.88 NA 1963-1999 91/24993 ICD code ICD code RR 5.70 (4.54-7.08)
Karlson et al[14], 19971 Sweden 1.49 54.5 1965-1983 152/24753 ICD code ICD code SIR 1.6 (1.3-2.0)2
Case-control studies
Bansal et al[27], 19951 United States NA 57.0 1988-1992 2639/64 ICD code ICD code OR 1.76 (1.28-2.41)
Duell et al[13], 20061 United States NA > 21 1995-1999 308/16 Self-reported (physician diagnosed) Pathology+ physician reported OR 6.4 (2.7-15)
1

Effect values in the study have matched/adjustment variables.

2

Effect values are extracted from included studies according to the longest follow-up time. AP: Acute pancreatitis; CI: Confidence interval; F: Female; HR: Hazard ratio; ICD: International Classification of Diseases; M: Male; OR: Odds ratio; PC: Pancreatic cancer; RR: Relative risk; SIR: Standardized incidence ratio.