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. Author manuscript; available in PMC: 2019 Mar 14.
Published in final edited form as: J Int Neuropsychol Soc. 2019 Mar;25(3):293–301. doi: 10.1017/S1355617718001078

Table 2.

Summary of Disability Rating Scale Scores at weeks 1–4, month 3 and 6 by Epo and Transfusion Threshold randomization groups among individuals with severe TBI.

Group Week1 Week 2 Week 3 Week 4 Month 3 Month 6
Epo 1 Mean (SD) 22.5 (6.10) 20.6 (7.0) 18.4 (8.2) 16.9 (9.2) 11.2 (10.8) 9.7 (10.7)
Median (25th,75th) 24.5 (21,26) 22 (17,25) 20 (13,24) 18 (7,24) 6 (4,21) 5 (1,13)
N n=38 n=38 n=30 n=30 n=30 n=30
Epo 2 Mean (SD) 22.3 (6.3) 20.1 (7.6) 18.1 (7.8) 16.8 (8.6) 11.0 (8.7) 9.8 (9.23)
Median (25th,75th) 24 (20,28) 22 (13,5) 21 (10,22) 18.5 (9.5,23) 8 (5,16) 7 (4,12)
N n=62 n=61 n=56 n=56 n=55 n=57
Placebo Mean (SD) 22.4 (6.8) 19.9 (7.8) 17.8 (8.7) 16.9 (9.1) 12.4 (10.3) 11.3 (11.1)
Median (25th,75th) 24 (19,28) 22(14.5,26) 19 (9,25) 18 (9,24.5) 8 (5,22) 6.5 (3,19.5)
N n=93 n=92 n=91 n=92 n=94 n=88

10 g/dl Mean (SD) 22.7 (6.4) 20.6 (7.2) 18.4 (8.1) 17.5 (8.8) 12.6 (9.8) 11.6 (10.4)
Median (25th,75th) 24 (21,28) 22 (16,26) 21.5 (12,25) 20 (10,24) 9 (5,21) 8 (4,17)
N n=99 n=97 n=94 n=94 n=93 n=93
7 g/dl Mean (SD) 22.1 (6.6) 19.5 (7.8) 17.1 (8.4) 16.2 (9.1) 10.9 (10.1) 9.4 (10.5)
Median (25th,75th) 24 (18,28) 21 (12,25) 18 (9,22) 17 (8,23) 7 (4,16) 5 (2,10)
N n=94 n=94 n=89 n=89 n=89 n=86

Overall Mean (SD) 22.4 (6.5) 20.1 (7.5) 18 (8.3) 16.9 (8.9) 11.8 (9.9) 10.5 (10.4)
Median (25th,75th) 24 (20,28) 22 (16,25) 21 (10,24) 18 (8,24) 8 (4,20) 6 (3,17)
N n=193 n=191 n=183 n=183 n=182 n=179

Abbreviations: SD, Standard Deviation

Median(25th,75th): Median and 25th and 75th percentiles.