From: Estimating required information size by quantifying diversity in random-effects model meta-analyses
Meta-analysis | Range of weights w i (% weights) in the fixed-effect model | Inconsistency (I 2)% | Diversity (D 2)% | (D 2 - I 2)% | A priori relative risk reduction % (RRR) | Unadjusted information size (SS) | Heterogeneity-adjusted information size (HIS) | Diversity-adjusted information size (DIS) |
---|---|---|---|---|---|---|---|---|
Afshari and others 2007 [16] | 0.2-281 (0.04-80%) | 0.0 | 0.0 | 0.0 | 10 | 3,317 | 3,317 | 3,317 |
Al-Inany and others, 2006 [17] | 0.2-3.9 (1-18%) | 7.2 | 13.9 | 6.7 | 25 | 3,516 | 3,789 | 4,083 |
Soll and others, 1997 [18] | 3.6-22.2 (6.2-38.1%) | 22.9 | 37.3 | 14.3 | 60 | 193 | 250 | 307 |
Wetterslev and Juhl, 2006 [19] | 0.3-10.4 (1-42%) | 13.4 | 40.5 | 27.1 | 20 | 8,421 | 9,726 | 14,164 |
Bury and Tudehope, 2000 [20] | 1.5 - 9.6 (7-38%) | 40.2 | 57.7 | 17.5 | 45 | 440 | 736 | 1,039 |
Li and others, 2007 [21] | 0.24-565.1 (0.02-42%) | 61.9 | 89.9 | 28.0 | 10 | 31,094 | 81,466 | 306,276 |
Meyhoff and others, 2008 [22] | 1.3-15.2 (4-47%) | 74.2 | 79.4 | 5.2 | 30 | 1,699 | 6,581 | 8,239 |