Table 1 Study characteristics of included trials
From: Level of daily physical activity in individuals with COPD compared with healthy controls
Reference | N (P/C) | Mean Age (yrs±SD, P;C) | Gender (Male/Female) (P/C) | Variation in GOLD stage | Measurement device | Duration of study (days) |
|---|---|---|---|---|---|---|
Coronado (2003) | 25 (15/10) | 67 ± 9; 57 ± 5 | 13:2; 4:6 | 1-4 | Uni-axial accelerometer | 1 |
Hernandes (2009) | 70 (40/30) | 66 ± 8;64 ± 7 | 18:22; 14:16 | 2-4 | Tri-axial accelerometer | 2 |
Lores (2006) | 35 (23/12) | 62 ± 7; 59 ± 7 | 20:3; 9:3 | 2-4 | Tri-axial accelerometer | 3 |
Pitta (2005) | 75 (50/25) | 64 ± 7; 66 ± 5 | 36:14; 17:8 | 1-4 | Tri-axial accelerometer | 2 |
Pitta (2008) | 40 | 68 ± 7 | 21:19 | 1-4 | Multisensor armband | 2 |
Sandland (2005) | 20 (10/10) | nd | nd | 3 | Uni-axial accelerometer | 7 |
Schönhofer (1997) | 50 (25/25) | 56 ± 12; 53 ± 14 | 14:11; 14:11 | 2-3 | Pedometer | 7 |
Singh (2001) | 20 (11/9) | 66 ± 9; 59 ± 4 | 7:4; 5:4 | 3 | Uni-axial accelerometer | 2 |
Steele (2000) | 47 | 66 ± 8 | 44:3 | 1-4 | Tri-axial accelerometer | 3 |
Steele (2003) | 63 | nd | nd | nd | Accelerometer | 3 |
Troosters (2010) | 100 (70/30) | 66 ± 9; 65 ± 7 | 58:12; 19:11 | 1-4 | Multisensor armband | 6-8 |
Walker (2008) | 51 (33/18) | 67 ± 8; 70 ± 6 | 17:16; 8:10 | 3 | Uni-axial accelerometer | 3 |
Watz (2008) | 170 | 64 ± 6.6 | 128:42 | 1-4 | Multisensor armband | 5-6 |