Table 2

Subgroup analyses of the weekend effect on mortality by types of admissions

AnalysisNPooled mean (95% CrI)Posterior predictive mean (95% CrI)I2 (95% CrI)
All admissions*181.13 (1.09, 1.18)1.13 (1.04, 1.22)0.19 (0.00, 0.74)
Emergency admissions321.11 (1.06, 1.16)1.11 (0.94, 1.31)0.44 (0.00, 0.90)
Elective admissions121.70 (1.08, 2.52)1.70 (0.64, 4.11)0.44 (0.00, 0.93)
Maternity admissions61.06 (0.89, 1.29)1.06 (0.75, 1.53)0.44 (0.00, 0.96)
  • *This analysis focuses on best adjusted studies that include mixed (both emergency and elective admissions within the same study, with or without including maternity admissions); it thus differs from the main Bayesian meta-analysis (pooled mean 1.16, 1.04 to 1.23) which, in addition to studies included in this meta-analysis, also includes individual types or sub-types of admissions provided that they do not overlap with studies that cover mixed types of admissions.

  • CrI,¬†credible interval;¬†N, number of observations (estimates of the weekend effect from individual studies).