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Table 2 Outcome measures with absolute and relative change following PR

From: Effectiveness of pulmonary rehabilitation in patients with interstitial lung disease of different etiology: a multicenter prospective study

Outcomes n Before PR Post PR Absolute change Relative change (%) p
MRC 40 2.8 ± 0.8 1.7 ± 1.1 - 1.1 ± 0.8 −40.8 ± 35 <.001
SGRQ (Total) 39 50.6 ± 13.9 38.5 ± 13.7 - 12.1 ± 11.1 −23.3 ± 19 <.001
SGRQ (Activity) 39 67.6 ± 14 589 ± 19.6 - 8.8 ± 17.6 −12.5 ± 24.7 0.009
SGRQ (Impact) 39 43.7 ± 19.1 29.9 ± 15.9 - 13.7 ± 14.6 −29.9 ± 41.5 <.001
SGRQ (Symptoms) 39 40.4 ± 20.9 26.7 ± 20.8 - 17 ± 19.8 −36 ± 22.1 <.001
6MWDT (m) 39 376.8 ± 94.6 430.9 ± 96.4 54.1 ± 55.4 16.7 ± 37.8 <.001
Dyspnea 6MWTD (Borg Scale) 39 5.2 ± 2.3 3.8 ± 2.2 −1.4 ± 2.1 −23.4 ± 40.1 .015
Leg fatigue 6MWTD (Borg Scale) 39 3.5 ± 2.7 2 ± 2.2 −1.6 ± 1.5 −48.1 ± 71.5 .006
Cycle dyspneaa (Borg scale) 40 6.1 ± 2 4.2 ± 2.7 - 1.8 ± 1.9 −33 ± 35.1 <.001
Cycle leg fatiguea (Borg scale) 40 5.9 ± 2.1 3.7 ± 2.7 - 2.2 ± 2 −39.5 ± 106 <.001
Cycle endurance time (min) 40 7.7 ± 3.8 12.5 ± 8.4 4.8 ± 6.9 66 ± 108.1 <.001
Cycle endurance power (watt) 40 57.5 ± 23.7 88.2 ± 57.1 31 ± 53.5 63.4 ± 33.9 .003
  1. Each outcome value is reported as mean value ± standard deviation (SD); p value are referred to relative changes
  2. aCycle dyspnea and leg fatigue were assessed at isotime