Table 5.

Changes in outcomes over the training and detraining periods (absolute changes ± standard deviation)

	HIIT (n = 15)	MICT (n = 16)	MIIT (n = 15)	ANCOVA
	Change ± SD	Change ± SD	Change ± SD	F	p
Body mass (kg)
Baseline-post	− 1.6 ± 0.1	− 0.9 ± 0.1a	− 0.9 ± 0.1a	8.2	0.001
Post–DT2w	0.5 ± 0.03	1.0 ± 0.03a	0.7 ± 0.03ab	71.8	< 0.001
DT2w–DT4w	1.1 ± 0.05	1.4 ± 0.04	1.1 ± 0.05	18.5	< 0.001
Fat mass (kg)
Baseline-post	− 2.0 ± 0.07	− 0.7 ± 0.06a	− 1.0 ± 0.1ab	84.4	< 0.001
Post–DT2w	0.7 ± 0.07	0.9 ± 0.06	0.7 ± 0.07	3.0	0.058
DT2w–DT4w	0.8 ± 0.05	1.1 ± 0.05	0.9 ± 0.05	6.3	0.004
Fat mass (%)
Baseline-post	− 2.2 ± 0.1	− 0.7 ± 0.1a	− 1.2 ± 0.1ab	42.6	< 0.001
Post–DT2w	0.8 ± 0.07	1.0 ± 0.07	0.9 ± 0.07	1.3	0.275
DT2w–DT4w	0.8 ± 0.07	1.0 ± 0.07	0.9 ± 0.07	1.3	0.275
Fat-free mass (kg)
Baseline-Post	0.3 ± 0.04	− 0.2 ± 0.04a	0.1 ± 0.04ab	31.1	< 0.001
Post–DT2w	− 0.8 ± 0.5	0.1 ± 0.5	− 0.3 ± 0.5	0.6	0.532
DT2w–DT4w	0.2 ± 0.1	− 0.3 ± 0.1	0.4 ± 0.1b	5.2	0.009
Chair stand test (reps)
Baseline-post	3.4 ± 0.07	2.5 ± 0.06a	3.1 ± 0.07ab	40.4	< 0.001
Post–DT2w	− 1.6 ± 0.1	− 2.0 ± 0.1	− 2.0 ± 0.1	3.3	0.045
DT2w–DT4w	− 1.7 ± 0.1	− 2.5 ± 0.1a	− 2.1 ± 0.1	7.6	0.001
6-min walking test (m)
Baseline-post	47.5 ± 18.4	17.1 ± 17.9	45.1 ± 18.5	0.8	0.426
Post–DT2w	− 23.3 ± 2.3	− 33.2 ± 2.3a	− 24.1 ± 2.3b	5.4	0.008
DT2w–DT4w	− 21.9 ± 2.8	− 28.3 ± 2.7	− 26.4 ± 2.8	1.4	0.254
Gait velocity (m/s)
Baseline-post	0.03 ± 0.02	− 0.01 ± 0.02	− 0.01 ± 0.02	1.1	0.332
Post–DT2w	− 0.16 ± 0.02	− 0.14 ± 0.02	− 0.08 ± 0.02	2.1	0.137
DT2w–DT4w	− 0.13 ± 0.02	− 0.20 ± 0.02	− 0.15 ± 0.02	2.7	0.076

DT2w detraining for 2 weeks, DT4w detraining for 4 week

^aDifferent from HIIT

^bDifferent from MICT