Table 4 Differences within groups from baseline to 6 months in six minute walk test, cycle ergometry, St. George’s Respiratory Questionnaire score, and Short Form-12 questionnaire score
From: Low intensity, long-term outpatient rehabilitation in COPD: a randomised controlled trial
Control group (n = 44) | Training group (n = 37) | |||||
|---|---|---|---|---|---|---|
within group difference | 95% confidence interval | p | within group difference | 95% confidence interval | p | |
6MWT (m) | −21 | −42 to −2 | 0.036 | 38 | 22 to 60 | 0.003 |
Workmax (Watt) | −3.3 | −7.8 to 1.2 | n.s. | 4.1 | −0.1 to 8.2 | n.s. |
VO2max (l/min) | −0.029 | −0.084 to 0.027 | n.s. | 0.161 | 0.010 to 0.311 | n.s. (0.059) |
CPET time (min) | −0.29 | −0.71 to 0.12 | n.s. | 1.41 | 0.09 to 2.73 | n.s. (0.06) |
Peak heart rate during CPET (1/min) | −1 | −4 to 1 | n.s. | 2 | −2 to 7 | n.s. |
SF-12 PCS | 4.2 | 1.2 to 7.3 | 0.03 | 4.8 | 1.5 to 8.0 | 0.006 |
SF-12 MCS | −0.6 | −5.0 to 3.9 | n.s. | 2.7 | −0.7 to 6.2 | n.s. |
SGRQ symptoms | −5 | −11 to 1 | n.s. | −2 | −8 to 4 | n.s. |
SGRQ activity | 0 | −3 to 4 | n.s. | −5 | −9 to −1 | 0.02 |
SGRQ impact | −1 | −4 to 2 | n.s. | −9 | −14 to −4 | 0.001 |
SGRQ total | −1 | −4 to 1 | n.s. | −7 | −10 to −3 | 0.001 |