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. 2011 Sep 5;2:57. doi: 10.3389/fphys.2011.00057

Table 2.

Maximal exercise capacity and heart rate recovery.

CAD + T2D (n = 68) CAD (n = 64) p-Level
Max load (W) 139 ± 41 155 ± 43 p = 0.033
Max METs 6.5 ± 1.7 7.7 ± 1.9 p < 0.001
MAX VO2PEAK
ml kg−1 min−1 21.6 ± 5.8 25.9 ± 6.5 p < 0.001
l min−1 1.89 ± 0.52 2.05 ± 0.58 p = 0.101
Max ST depression > 1 mm 32 (47%) 57 (49%) p = 0.228
Max HR (bpm) 128 ± 19 132 ± 18 p = 0.178
HR reserve (bpm) 70 ± 20 78 ± 18 p = 0.027
CRI (bpm) 69 ± 18 75 ± 17 p = 0.057
HR RECOVERY
15 s (bpm) 10.9 ± 4.6 10.8 ± 5.0 p = 0.376
30 s (bpm) 15.8 ± 7.0 17.8 ± 6.9 p = 0.098
60 s (bpm) 32.7 ± 10.5 37.8 ± 9.7 p = 0.006
120 s (bpm) 44.3 ± 13.4 48.9 ± 11.1 p = 0.037
Slope 60 (beats/s) −0.53 ± 0.17 −0.62 ± 0.14 p = 0.004

Values are mean ± SD. METs, metabolic equivalents; VO2peak, peak uptake oxygen; HR, heart rate; CRI, maximal chronotropic response index.