Table S2.
Medline® search strings, search conducted January 22, 2013
| Search | Search string | Results |
|---|---|---|
| 1 | chronic obstructive pulmonary disease.mp. or exp pulmonary disease, chronic obstructive/ | 31,239 |
| 2 | chronic obstructive lung disease.mp. | 2,686 |
| 3 | exp lung diseases, obstructive/or chronic obstructive respiratory disease.mp. | 150,257 |
| 4 | copd.mp. | 21,567 |
| 5 | chronic obstructive airway disease.mp. | 239 |
| 6 | chronic bronchitis.mp. or exp bronchitis, chronic/ | 8,867 |
| 7 | lung emphysema.mp. | 298 |
| 8 | chronic obstructive airway disease.mp. | 239 |
| 9 | chronic airflow obstruction.mp. | 502 |
| 10 | 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 | 161,227 |
| 11 | exp exercise tolerance/or exp exercise test/or exercise.mp. or exp exercise/ | 239,508 |
| 12 | (exercise capacity or exercise tolerance).mp. | 16,495 |
| 13 | (clinically important difference or mcid or clinically meaningful).mp. | 4,675 |
| 14 | 11 or 12 or 13 | 243,911 |
| 15 | (‘6 minute walk’ or ‘6m walk’ or ‘6 m walk’ or ‘six minute walk’ or ‘6mwd’).mp. | 2,563 |
| 16 | (‘12 minute walk’ or ‘12m walk’ or ‘12 m walk’ or ‘twelve minute walk’ or ‘12mwd’).mp. | 62 |
| 17 | (‘shuttle walk’ or ‘shuttle walking’ or ‘iswt’ or ‘10 metre walking’ or ‘10 meter walking’ or ‘eswt’).mp. | 644 |
| 18 | $cycle ergomet*.mp. | 4,838 |
| 19 | treadmill.mp. | 20,912 |
| 20 | (short physical performance battery or sppb).mp. | 247 |
| 21 | 15 or 16 or 17 or 18 or 19 or 20 | 28,642 |
| 22 | 10 and 14 and 21 | 1,278 |
| 23 | (test or assessment or capacity).mp. | 1,939,771 |
| 24 | 10 and 14 and 21 and 23 | 1,065 |
| 25 | limit 24 to (English language and humans) | 928 |