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Table 1 Summarised data for meta-analysis: odds ratios of former drinkers by duration compared to current drinkers (with adjusted confidence intervals)

From: Time characteristics of the effect of alcohol cessation on the risk of stomach cancer – a meta-analysis

Study Study type Gender Cases / Controls Years since drinking cessation Odds ratio 95% Confidence interval Rescaled
Lower bound Upper bound
Osaza et al. 2007 [25] Prospective cohort Male 519/420639* 0 1.0 . . Yes
15/7436* 2.5 1.3 0.8 2.1
11/7669* 10 0.7 0.4 1.4
8/5416* 20 0.7 0.3 1.4
Female 69/183648* 0 1.0 . .
3/2676* 10 2.5 0.5 12.2
2/1679* 20 2.1 0.3 12.7
Chow et al. 1999 [26] Case–control Male 161/212 0 1.0 . . Yes
31/11 3 4.4 1.6 12.2
12/18 6.5 0.8 0.3 2.4
16/28 12 0.8 0.3 2.0
Female 35/36 0 1.0 . .
12/2 3 7.3 0.8 69.7
1/7 6.5 0.2 0.0 9.4
3/11 12 0.3 0.0 2.0
Unakami et al. 1989 [27] Case–control Male 691/105 0 1.0 . . No
11/20 7.5 0.1 0.0 0.2
Female 105/30 0 1.0 . .
2/2 7.5 0.3 0.0 4.1
Munoz et al. 2001 [18] Case–control Male 76/68 0 1.0 . . Yes
17/13 7.5 1.2 0.3 4.9
9/8 12.5 1.0 0.3 3.6
9/5 17.5 1.6 0.4 6.6
7/4 22.5 1.3 0.3 5.3
De Stefani et al. 1990 [28] Case–control Male 65/169 0 1.0 0.0 0.0 No
18/33 2 1.0 0.5 2.1
9/37 6.5 0.5 0.2 1.2
    30/100 11.5 0.9 0.5 1.6  
  1. * Person years. ‡ Yes if the comparison group in a specific study was changed by the authors in order to achieve a common reference group between studies.