Table 2 Differences of exercise-induced dyspnoea, mood status, and health-related quality of life of COPD patients of Nordic Walking and control group over time
From: Nordic Walking improves daily physical activities in COPD: a randomised controlled trial
|  | baseline; mean (± SD) | three month | six month | nine month | ||||
|---|---|---|---|---|---|---|---|---|
n = 30/group | NW group | control group | NW group | control group | NW group | control group | NW group | control group |
6MWD, meters | 461 (154) | 436 (128) | 540*‡ (159) | 442 (133) | 531*‡ (142) | 428†(138) | 519*§ (160) | 422* (130) |
BORG, points | 4.4 (2.2) | 3.9 (1.9) | 3.43* (1.76) | 3.72 (1.53) | 3.63* (1.79) | 4.23 (1.89) | 3.70* (1.60) | 4.32 (1.92) |
HADS, anxiety, ≥7 points (n = 32) | 8.8 (2.4; n = 15) | 10.5 (3.6; n = 17) | 6.6 *‡ (2.3) | 10.2 (3.6) | 7.3*‡ (2.1) | 10.5 (3.8) | 7.6*‡ (1.9) | 10.9 (3.6) |
   depression, ≥7 points (n = 27) | 9.9 (3.2; n = 12) | 11.3 (3.1; n = 15) | 6.3*‡ (3.0) | 11.6 (3.2) | 6.8*‡ (3.0) | 11.3 (3.3) | 7.9*‡ (3.1) | 11.7 (3.4) |
SF 36 PCS, <50 points (n = 53) | 32.2 (6.50; n = 28) | 31.7 (5.79; n = 25) | 42.5*‡ (9.62) | 32.7 (6.39) | 44.1*‡ (8.12) | 30.8 (7.40) | 43.6*§ (9.52) | 29.9 (6.89) |
   MCS, <50 points (n = 30) | 42.8 (7.41; n = 14) | 39.2 (9.40; n = 16) | 47.2 (10.7) | 41.53 (12.8) | 47.4 (8.91) | 40.7 (9.36) | 46.3 (9.27) | 38.7 (8.71) |