A randomised controlled, feasibility study to establish the acceptability of early outpatient review and early cardiac rehabilitation compared to standard practice after cardiac surgery and viability of a future large-scale trial (FARSTER)

Table 4 ISWT distance presented by treatment group. Estimates of standard deviation presented alongside 80% confidence intervals

ISWT distance, meters	Early pathway (n = 25)	Current pathway (n = 25)	Overall (n = 50)
Pre-CR^a
n (%)	23 (92.0)	18 (72.0)	N/A
Mean	373.5	356.1	N/A
SD (80% CI)	171.5 (144.9, 214.7)	174.2 (144.3, 226.1)	N/A
Median (IQR)	350 (260, 540)	355 (190, 450)	N/A
Min, Max	40, 670	90, 680	N/A
Post-CR^a
n (%)	16 (64.0)	15 (60.0)	N/A
Mean	506.9	462.0	N/A
SD (80% CI)	211.9 (173.8, 280.8)	167.2 (136.3, 224.2)	N/A
Median (IQR)	525 (420, 630)	460 (350, 540)	N/A
Min, max	70, 900	180, 790	N/A
End of study^b,c
n (%)	7 (28.0)	7 (28.0)	14 (28.0)
Mean	565.7	474.3	520.0
SD (80% CI)	N/A	N/A	257.5 (208.6, 349.8)
Median (IQR)	580 (280, 750)	490 (230, 660)	540 (280, 730)
Min, max	100, 1020	230, 760	100, 1020

^aISWT not comparable between groups at this time point due to difference in timing of follow-up
^bSD not estimated within treatment groups due to small sample size
^cISWT not obtained for 24 participants who completed final clinical follow-up due to COVID-19

ISSN: 2055-5784