First author [ref.] | Studied population | Field tests | ||||||
Population | Subjects n | Mean age years | FEV1 | Field test studied | Mean field test distance or time at baseline | Mean change in walking distance or time | SRM | |
Dyer [206] | Elderly with CAL | 50 | 76 | 72% pred | ISWT | 177.7 m | 13.2±4.8% (-28.5–61.3%) | NA |
Pepin [105] | COPD | 17 | 65 | 56% pred | ESWT | 405 s | 164±177 s# | 0.93 |
Pepin [106] | COPD GOLD stage II–III | 14 | 64 | 50% pred | ESWT | 420 m 253 s | 144±219 m# | 0.66 |
6MWT | 553 m | 7±17 m | 0.42 | |||||
Brouillard [107] | COPD | 20 | 65 | 52% pred | ESWT | 373 s | 117±208 s# | 0.56 |
Sandland [219] | Severe hypoxaemic COPD | 41 | 71 | 0.85 L | ISWT | 192,4 m | 33.2±46.3 m# | 0.72 |
ESWT | 156.0 m | 112.0±217.1 m# | 0.52 | |||||
Revill [233] | COPD with exertional desaturation | 23 | 67 | 33% pred | ESWT | 273 s 221 m | 91 (43–139) s# 66 (27–106) m# | NA |
6MWT | 309 m | 6 (-6–19) m | NA | |||||
Eaton [234] | COPD | 20 | 71 | 0.95 L | ESWT | 313 m | 302±387 m# | 0.78 |
6MWT | 351 m | 47±79 m# | 0.59 | |||||
Leung [232] | COPD GOLD stage I–IV, walking training group | 17 | 71 | 56% pred | ISWT | 402 m | 54±37 m¶ | 1.46 |
ESWT | 397 s | 439±346 s¶ | 1.27 | |||||
COPD GOLD stage I–IV, cycling training group | 15 | 72 | 53% pred | ISWT | 373 m | 45±29 m¶ | 1.55 | |
ESWT | 375 s | 160±204 s¶ | 0.78 |
Data are presented as mean±standard error of the measurement (95% CI), unless otherwise stated. FEV1: forced expiratory volume in 1 s; SRM: standardised response mean (mean change/sd of change); CAL: chronic airflow limitation; NA: not available and/or incalculable; COPD: chronic obstructive pulmonary disease; GOLD: Global Initiative for Chronic Obstructive Lung Disease; 6MWT: 6-min walk test. #: p<0.05; ¶: p-value NA.