Table 3.

A summary of the main findings for physical function.

Author (year) sample size	Type of physical function assessment reported	Group allocation
		Intervention	Control
Liu (2008) Intervention N = 24, Control N = 24	ISWT (m), mean (SD); p = NS	B: 255.8 (200.9) F: 306.7 (103.9)	B: 262.9 (88.8) F: 237.8 (60.7)
Nguyen (2013) Intervention N = 43, Control N = 41	6MWT (m), mean (SD); p = NS	B: 400.5 (100.0) F: 431.3 (124.4)	B: 398.0 (99.7) F: 406.6 (125.0)
Tabak (2014-A) Intervention N = 12, Control N = 12	6MWT (m), mean (SD); p = NS	B: 409.5 (102.2) F: 412 (134.1)	B: 300.1 (116.4) F: 312.4 (152.4)
Vorrink (2016) Intervention N = 84, Control N = 73	6MWT (m), mean (SD) or median (IQR); p = NS	B: 456 (128.3) C: 0.8 (−8.8 to 10.3)	B: 461 (73.3) C: 4 (−2.4 to 10.3)
Demeyer (2017) Intervention N = 171, Control N = 172	6MWT (m), mean (SD); p = 0.009	B: 444 (106) F: 457 (108)	B: 450 (106) F: 449 (118)

6MWT 6-minute walk test, B baseline, C change, F follow-up, IQR interquartile range, m meters, NS nonsignificant, SD standard deviation.