Table 2.

Mean baseline HADS Scores and change in mean 6-min walk test distance from baseline until the day before surgery (pre-operative)

Outcome measure	Prehabilitation group (n = 11)	Control group (n = 11)	p value
Baseline HADS anxiety score	5.8 (3.7, 10.1)	6.6 (3.2, 10.1)	0.658
Baseline HADS depression score	3.1 (1.4, 4.8)	3.7 (1.5, 6.0)	0.622
Baseline 6MWT (metres)	520.9 (450.4, 591.3)	482.6 (433.3, 532.0)	0.156
Pre-operative 6MWT (metres)	606.5 (528.7, 684.3)	495.9 (454.3, 537.4)	0.011
Mean change in 6MWT during pre-operative period (metres)	+ 85.6 (+ 18.1, + 153.2)	+ 13.2 (− 6.8, 33.2)	0.0135
Change in 6MWT during pre-operative period
Improvement	9 (82%)	3 (27%)
No changea	2 (18%)	7 (64%)
Decline	0 (0%)	1 (9%)

Data are presented as mean (95% CI) or n (%)

6MWT 6-min walk test, HADS hospital anxiety and depression scale

^a“No change” represents participants whose pre-operative 6MWT distance was within ± 20 m of their baseline 6MWT distance