Table 2.

Exercise Characteristics

	Baseline	3 mo	6 mo	9 mo	12 mo	P Value*
V̇o2max, mL·kg−1·min−1	40.3±5.5	45.5±5.9†	47.4±6.4†	47.6±7.0†	47.4±7.2†	<0.0001
Peak heart rate, bpm	197±12	187±8.0†	188±9.2†	185±9†	186±9†	<0.0001
Maximum stroke volume, mL	98.1±18.2	108.2±21.6†	113.7±18.9†	115.1±25.3†	113.6±23.2†	0.002
Maximum cardiac output, mL/min	20.1±5.1	22.4±5.7†	20.5±5.2	20.7±5.2	21.9±5.4†	0.03

Results are presented as mean±SD. V̇o₂max indicates maximum oxygen uptake.

^*P value from repeated measures analysis time effect from baseline to 12 months.

^†Statistically significant difference compared with baseline from mixed model repeated measures analysis.