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. 2019 Mar 25;74(10):1628–1636. doi: 10.1093/gerona/glz084

Table 4.

Improvement in Activities of Daily Living (ADL) and Instrumental Activities of Daily Living (IADL) Score at Week-1 and Week-4 Testing

Variable All sample Placebo Whey protein Rehabilitation + placebo Rehabilitation + protein Testosterone All active intervention groups p-Value (across groups) p-Value (placebo vs. interventions)
Week-1 testing, number of patients 93 19 18 19 19 18 74
 ADL point change –0.05 ± 0.43 –0.05 ± 0.40 –0.11 ± 0.32 –0.21 ± 0.71 0.11 ± 0.32 0.00 ± 0.00 –0.05 ± 0.43 .20 .28
  Loss 6 (6) 2 (11) 2 (11) 2 (11) 0 (0) 0 (0) 4 (5)
  No change 84 (90) 16 (84) 16 (89) 17 (81) 17 (89) 18 (100) 68 (92)
  Gain 3 (3) 1 (5) 0 (0) 0 (0) 2 (11) 0 (0) 2 (3)
 IADL point change –0.51 ± 1.77 0.05 ± 1.47 –0.28 ± 1.45 –0.89 ± 2.38 –1.32 ± 2.06 –0.06 ± 0.80 –0.65 ± 1.77 .15 .25
  Loss 30 (32) 4 (21) 3 (17) 7 (37) 12 (63) 4 (22) 26 (35)
  No change 45 (48) 10 (53) 11 (61) 7 (37) 7 (37) 10 (56) 35 (47)
  Gain 18 (19) 5 (26) 4 (22) 5 (26) 0 (0) 4 (22) 13 (18)
Week-4 testing, number of patients 79 13 15 17 16 18 66
 ADL point change –0.04 ± 0.49 –0.08 ± 0.28 0.07 ± 0.46 –0.24 ± 0.75 0.13 ± 0.34 –0.06 ± 0.42 –0.03 ± 0.49 .26 .52
  Loss 6 (8) 1 (8) 1 (7) 2 (12) 0 (0) 2 (11) 5 (8)
  No change 68 (86) 12 (92) 12 (80) 15 (88) 14 (88) 15 (83) 56 (85)
  Gain 5 (6) 0 (0) 2 (13) 0 (0) 2 (13) 1 (6) 5 (8)
 IADL point change 0.15 ± 1.11 0.08 ± 1.12 0.27 ± 1.03 –0.06 ± 1.25 0.13 ± 0.81 0.33 ± 1.33 0.17 ± 1.11 .86 .79
  Loss 13 (16) 1 (8) 2 (13) 5 (29) 3 (19) 2 (11) 12 (18)
  No change 39 (49) 9 (69) 8 (53) 6 (35) 9 (56) 7 (39) 30 (45)
  Gain 27 (34) 3 (23) 5 (33) 6 (35) 4 (25) 9 (50) 24 (36)

Note: All data are mean ± standard deviation or number of participants (percentage). A positive value indicates an improvement in score.