From: Clopidogrel and hip fractures, is it safe? A systematic review and meta-analysis
 | CG transfusion exposures/total pt | NCG transfusion exposures/total pt | P-value | CG mean total units transfused per patienta | NCG mean total units transfused per patienta | P-value | CG postop Hb (g/dL)a | NCG postop Hb (g/dL)a | P-value | CG drop in Hb (g/dL)a | NCG drop in Hb (g/dL)a | P-value |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Harty et al 2007 [68] | Â | Â | Â | Â | Â | Â | 9.8 | 9.6 | 0.68 | Â | Â | Â |
Johansen et al 2008 [56] | Â | Â | Â | 1.0 | 0.2 | - | Â | Â | Â | 3.7 | 2.4 | 0.01 |
Sim and Gonski 2009 [57] CG vs NG | 4/21 | 37/114 | 0.30 | Â | Â | Â | 10.7 (1.7) | 10.3 (1.6) | 0.44 | Â | Â | Â |
Sim and Gonski 2009 [57] CG <5 vs CG >5 | 2/16 | 2/5 | >0.05 | Â | Â | Â | 10.3 | 10.9 | >0.05 | Â | Â | Â |
Cox et al 2009 [58] | Â | Â | Â | 0.9 | 0.2 | Â | Â | Â | Â | 3.1 | 1.8 | <0.05 |
Nydick et al 2010 [53] | 16/23 | 12/27 | 0.13 | Â | Â | Â | Â | Â | Â | 1.50 | 1.77 | 0.54 |
Chechik et al 2011 [52] | Â | Â | Â | 1.38 (0.98) | 1.09 (1.38) | >0.05 | Â | Â | Â | Â | Â | Â |
Wallace et al 2012 [63] | 29/52 | 18/58 | 0.01 | Â | Â | Â | 9 (1.9) | 9.5 (1.7) | 0.41 | Â | Â | Â |
Collinge et al 2012 [62] | 22/40 | 342/619 | 0.89 | 1.4 (1.7) | 1.5 (2.3) | 0.50 | 10.1 (1.2) | 10.2 (1.2) | 0.52 | Â | Â | Â |
Chechik et al 2012 [59] | 6/30 | 9/30 | 0.38 | 0.37 | 0.47 | 0.64 | Â | Â | Â | 2.6 | 1.8 | 0.19 |
Hossain et al 2013 [61] | 4/50 | 2/52 | 0.37 | 2.0 (0) | 2.5 (0.7) | 0.16 | 10.8 (1.5) | 11.1 (1.5) | 0.37 | Â | Â | Â |
Feely et al 2013 [54] | 9/40 | 14/80 | 0.51 | 2.1 (2.1) | 2.1 (3.5) | 0.49 | 9.1 (1.2) | 9.0 (1.1) | 0.64 | 3.0 (1.7) | 3.5 (1.6) | 0.08 |
Al Khudairy et al 2013 [60] | 6/24 | 8/23 | >0.05 | 0.8 (1.6) | 0.7 (1.1) | >0.05 | Â | Â | Â | 1.5 | 1.1 | >0.05 |
Wordsworth et al 2013 [55] | 9/30 | 309/1195 | 0.67 | 0.67 | 0.55 | 0.54 | Â | Â | Â | Â | Â | Â |
Manaqibwala et al 2014 [64] | Â | Â | Â | 0.9 (1.1) | 0.6 (1.4) | 0.23 | 10.3 (2.2) | 11.4 (1.5) | 0.07 | 0.8 (1.0) | 0.6 (1.3) | 0.32 |