Measurement | Beginning of rehabilitation | End of rehabilitation | 6 months after randomisation | Change from beginning to end of rehabilitation | Change from randomisation to 6-month follow-up |
Patients n | 1217 | 1217 | 1001 | 1217 | 1001 |
6MWD m | 348.0±95.1 | 370.8±96.2 | 377.0±99.9# | 22.8±53.6 | -4.6±68.7# |
MCEC W | 36.0±21.1 | 38.9±21.6 | 42.2±22.6¶ | 2.9±11.0 | 0.9±13.9¶ |
SGRQ total score | 56.5±13.0 | 53.0±12.7 | 48.4±16.8 | -3.5±9.9 | -4.3±14.3 |
SGRQ symptoms | 58.3±19.3 | 56.0±19.9 | 54.3±20.9 | -2.3±16.2 | -1.4±19.2 |
SGRQ activities | 81.9±12.7 | 79.4±13.4 | 71.7±20.0 | -2.5±10.8 | -7.2±18.6 |
SGRQ impact | 41.4±16.7 | 36.9±15.6 | 33.1±18.6 | -4.4±13.4 | -3.5±16.1 |
SOBQ total score | 65.6±19.0 | 62.7±18.4 | 55.2±24.1 | -3.0±13.6 | -6.7±20.8 |
Data are presented as mean±sd, unless otherwise stated. 6MWD: 6-min walk distance; MCEC: maximal cycle exercise capacity; SGRQ: St George's Respiratory Questionnaire; SOBQ: University of California San Diego Shortness of Breath Questionnaire. #: n = 907; ¶: n = 905.