TABLE 2

Outcomes of pulmonary rehabilitation

OutcomeAll patientsVery good responderGood responderModerate responderPoor responder
Patients n (%)2068 (100)378 (18.3)742 (35.9)731 (35.4)217 (10.5)
ΔMRC dyspnoea grade−0.4±1.1−1.3±1.2−0.5±1.0#−0.2±1.0#,0.2±1.0#,,+
 −1 grade % patients40.973.446.1#27.9#,17.8#,
 −2 grades % patients16.039.713.7#11.3#2.5#,,+
Δ6MWD m27±5796±5236.1±34.1#3±36#,−48±45#,,+
 ≥30 m % patients45.495.555.5#22.3#,1.4#,,+
 ≥60 m % patients23.274.723.0#3.5 #,0.0#,,+
ΔCWRTs208±328525±326290±313#39±193#,−17±222#,,+
 ≥100 s % patients51.987.768.5#27.9#,17.9 #,,+
 ≥200 s % patients37.179.148.9#12.9#,10.5#,
ΔCOPM-P points2.0±1.73.3±1.52.3±1.4#1.3±1.4#,0.4±1.2#,,+
 ≥2 points % patients49.881.861.3#32.7#,10.5#,,+
 ≥4 points % patients12.836.213.7#3.3#,0.5#,
ΔCOPM-S points2.6±2.14.1±1.93.1±1.8#1.8±1.7#,0.5±1.6#,,+
 ≥2 points % patients61.688.874.2#47.7#,16.8#,,+
 ≥4 points % patients26.253.433.0#11.8#,2.1#,,+
ΔHADS-A points−1.4±3.5−3.2±3.6−1.9±3.4#−0.7±3.1#,1.3±2.8#,,+
 ≥−1.5 points % patients43.565.048.8#35.6#,13.4#,,+
 ≥−3.0 points % patients31.853.035.5#24.1#,7.0#,,+
ΔHADS-D points−1.4±3.5−3.4±3.5−2.1±3.4#−0.5±2.9#,1.6±2.8#,,+
 ≥−1.5 points % patients44.869.952.1#34.6 #,9.1#,,+
 ≥−3.0 points % patients33.358.239.8#21.3 #,6.4 #,,+
ΔSGRQ-T points−5.3±12.6−16.0±12.7−7.9±10.2#−0.4±10.7 #,5.3±9.0#,,+
 ≥−4 points % patients53.684.166.5#36.1#,14.9#,,+
 ≥−8 points % patients39.774.149.5 #22.3#,4.8#,,+
  • Data are presented as mean±sd, unless otherwise stated. Δ: change; MRC: Medical Research Council; 6MWD: 6-min walk distance; CWRT: constant work-rate test; COPM-P: Canadian Occupational Performance Measure, performance score; COPM-S: Canadian Occupational Performance Measure, satisfaction score; HADS-A: Hospital Anxiety and Depression Scale, anxiety scores; HADS-D- Hospital Anxiety and Depression Scale, depression scores; SGRQ-T: St. George's Respiratory Questionnaire, total score. Missing data: MRC, n=988; 6MWD, n=107; CWRT, n=279; COPM-P, n=228; COPM-S, n=228; HADS-A, n=240; HADS-D, n=240; SGRQ-T, n=449. #: p<0.01 versus cluster very good responder cluster; : p<0.01 versus good responder cluster; +: p<0.01 versus moderate responder cluster.