Table 4.

HRQOL changes after physical activity intervention

Reference	No. of subjects	Physical activity intervention	HRQOL measure	Subscales	Mean difference	P value
Porserud A  et al. [10]	18	6MWT, figure of eight,  steps outside, 30-s chair stand test	SF-36a	General health	8.0	0.508
				Physical functioning	5.5	0.504
				Role physical	52.5	0.031
				Bodily pain	2.9	1.000
				Vitality	6.0	0.766
				Social functioning	19.7	0.150
				Role emotional	25	0.389
				Mental health	−5.3	0.339
				Physical health score	5.7	0.079
				Mental health score	3.5	1.000
Jensen et al.[12]	50	Prehab (exercise-based prehabilitation program),  including step training on a step trainer  (15 min per training session). Postop rehab  (Physical therapy twice per day for the  first 7 postoperative days).	EORTC QLQ-C30b	Global health status	−2.4	0.60
				Physical functioning	−2.4	0.59
				Role functioning	−10.5	0.11
				Emotional functioning	−4.2	0.35
				Cognitive functioning	−6.1	0.37
				Social functioning	−1.4	0.93

^aAll scales are scored on a scale of 0–100. The study did not list a minimum clinically important difference. Follow-up was at 14 weeks

^bPer the study, a difference of less than 4 points is considered “trivial”, 4–9 points is considered “small”, 9–15 points is considered “medium”, and>15 P is considered “large.” Follow-up was at 4 months