Tai chi mind-body exercise in patients with COPD: study protocol for a randomized controlled trial

Table 1 Schedule of evaluations

Outcome	Measurement/instrument	Month
Outcome	Measurement/instrument	0	12	24
Physical functioning
Exercise capacity	6-minute walk test (6 MW)*	X	X	X
Exercise capacity	Bicycle cardiopulmonary exercise test**	X	X	X
Strength/flexibility	Chair sit and reach	X	X	X
Strength/flexibility	Chair stand	X	X	X
Physical function	PROMIS physical function	X	X	X
Health-related quality-of-life and symptoms (HRQL)
COPD-specific HRQL	Chronic respiratory disease questionnaire (CRQ)*	X	X	X
Dyspnea	UCSD shortness of breath questionnaire;	X	X	X
Dyspnea	MMRC dyspnea scale	X	X	X
Fatigue	PROMIS fatigue	X	X	X
Psychosocial functioning and support
Self-efficacy	COPD self-efficacy scale	X	X	X
Mood	Center for epidemiologic studies-depression scale (CES-D)	X	X	X
Stress	Perceived stress scale	X	X	X
Perceived social support	Multidimensional scale of perceived social support	X	X	X
Pulmonary function
Spirometry and lung volumes	Standard pulmonary function tests	X	X	X

*Primary measures. **Cardiopulmonary exercise test (n = 50) will be done in a subset of patients. PROMIS, Patient-Reported Outcome Measurement Information System; COPD, chronic obstructive pulmonary disease; UCSD, University of California, San Diego; MMRC, Modified Medical Research Council.

ISSN: 1745-6215