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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: Thorax. 2013 Dec 19;69(5):437–442. doi: 10.1136/thoraxjnl-2013-204557

Table 5.

LT- VLA Responsiveness and Change in Other Measures from before transplant to 3- months after transplant

Pre-transplant
Mean ± SD
Post-transplant
Mean ± SD
Absolute change
Mean ± SD
t-statistic* % change Effect size**
LT-VLA Mean difficulty 1.56 (± 0.62) 0.57 (± 0.49) −0.99 ± 0.75 11.84 63% 1.60
LT-VLA % activities affected 81.5 (± 16.6) 35.7 (± 27.7) −46.0 ± 32.1 12.83 56% 2.76
LT-VLA % activities unable to perform 27.9 (± 25.6) 8.0 (± 10.8) −19.9 ± 28.7 6.21 71% 0.78
FVC% predicted 48.2 (± 17.0) 71.6 (± 17.1) 23.2 ± 19.8 10.49 49% 1.38
6MWD, meters 270 (± 152) 406 (± 146) 142 ± 151 6.84 50% 0.89
SF-12 Physical Function 24.2 (± 5.6) 41.0 (±12.8) 17.1 ± 13.1 11.62 69% 3.00

Includes only patients who have completed 3-month follow-up, n = 84

*

Absolute value of the t-statistic from paired t-tests comparing pre- and post-transplant scores for each measure

**

Effect size = (post-transplant mean – pre-transplant mean) / baseline SD(23)

FVC% predicted = Forced Vital Capacity % Predicted; 6MWD = 6-minute walk test distance; SF-12 Physical Function = Medical Outcomes Survey Short Form-12 Physical Function subscale