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Table 2 Sensitivity analysis of meta-analysis to the coding of years since cessation

From: How the risk of liver cancer changes after alcohol cessation: A review and meta-analysis of the current literature

Model: 3 (original results) 3 (New dose coding) 6 (original results) 6 (New dose coding)
Dose (1 year of not drinking) 1.07 1.00 0.93 0.92
Dose squared 1.00 1.00   
Controls for:     
Study characteristics* No No Yes Yes
Radiation No No Yes Yes
Quit in last ten years Yes Yes No No
years since cessation*heterogeneity No No Yes Yes
Q statistic # 15.9 18.38 6.6 7.95
  1. * Study characteristics = 1 if the study was in Japan, a prospective cohort design, had no minimum gap between giving up drinking and joining study, and no controls for hepatitis. # pr>Chi2 that there is no heterogeneity according to the Q statistic. Bold represents statistically significant figures at the 95% confidence level, or Q statistic finds no heterogeneity