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Table 1 Basic information of the studies involved in the meta-analysis

From: Effectiveness of tranexamic acid in reducing blood loss in spinal surgery: a meta-analysis

Studies Number of pts (TXA/P) Sex Age Weight
Male (TXA/P) Female (TXA/P) TXA Placebo TXA Placebo
Neilipovitz DT, 2001 [15] 22/18 17 (12/5) 23 (10/13) 14.1 ± 2.1 13.7 ± 2.5 41.8 ± 16.7 50.6 ± 20.2
Sethna NF, 2005 [16] 23/21 30 (17/13) 14 (6/8) 13.6 ± 1.8 14.0 ± 2.0 59.4 ± 18.3 52.4 ± 15.7
Wong J, 2008 [17] 73/74 47 (21/26) 100 (52/48) 56.8 ± 16.2 50.0 ± 16.2 72.9 ± 17.2 73.9 ± 16.1
Elwatidy S, 2008 [19] 32/32 39 (21/18) 25 (11/14) 51.56 ± 19.08 49.75 ± 21.04 72.48 ± 13.81 69.63 ± 17.29
Farrokhi MR, 2011 [18] 38/38 18 (11/7) 58 (27/31) 45.5 ± 11.6 51.4 ± 11.6 66.6 ± 9.9 66.9 ± 9.4
Tsutsumimoto T, 2011 [20] 20/20 31 (16/15) 9 (4/5) 68.0 ± 11.0 65.8 ± 11.8 59.6 ± 8.3 61.3 ± 10.2
  1. Pts, patients; TXA/P, tranexamic acid group/placebo group.