Table 2. Body Composition, Handgrip Strength, and Physical Function Changes After the 8-Week Intervention.
| Metric | CBCR (n = 38) | CBET (n = 37) | Between-group difference | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean (SD) | P value | Mean (SD) | P value | |||||||
| Baseline | Postintervention | Change from baseline | Baseline | Postintervention | Change from baseline | Mean (95% CI) | P value | |||
| Peak V̇o2, mL/kg/min | 24.4 (7.0) | 26.5 (7.5) | 2.1 (2.8) | <.001 | 23.8 (6.2) | 24.5 (6.0) | 0.8 (2.5) | .07 | 1.3 (0.1 to 2.6) | .03 |
| Exercise test duration, s | 583.4 (141.6) | 689.3 (142.9) | 105.8 (64.0) | <.001 | 574.0 (175.5) | 621.2 (156.6) | 47.3 (64.2) | <.001 | 58.6 (28.9 to 88.3) | <.001 |
| Weight, kg | 75.0 (14.0) | 72.1 (13.1) | −2.9 (2.6) | <.001 | 74.1 (14.8) | 74.4 (14.6) | 0.3 (1.6) | .22 | −3.2 (−4.2 to −2.2) | <.001 |
| BMI | 27.7 (5.0) | 26.6 (4.7) | −1.2 (0.9) | <.001 | 27.1 (4.7) | 27.3 (4.7) | 0.2 (0.7) | .10 | −1.4 (−1.7 to −1.0) | <.001 |
| Lean mass, kg | 25.6 (4.0) | 28.4 (5.5) | 2.8 (2.5) | <.001 | 25.6 (5.4) | 25.6 (5.5) | −0.1 (1.2) | .74 | 2.9 (2.0 to 3.8) | <.001 |
| Fat mass, kg | 27.8 (11.5) | 25.0 (10.8) | −2.9 (2.3) | <.001 | 26.9 (10.5) | 27.3 (10.7) | 0.4 (2.3) | .24 | −3.3 (−4.4 to −2.3) | <.001 |
| Waist circumference, cm | 99.2 (10.2) | 94.4 (9.8) | −4.8 (3.3) | <.001 | 97.4 (11.2) | 96.7 (11.4) | −0.7 (2.9) | .18 | −4.1 (−5.6 to −2.7) | <.001 |
| Hip circumference, cm | 106.8 (12.1) | 102.5 (10.8) | −4.3 (3.3) | <.001 | 103.8 (10.0) | 103.9 (9.6) | 0.1 (2.9) | .87 | −4.4 (−5.8 to −3.0) | <.001 |
| IHG, kgf | ||||||||||
| Dominant hand | 34.5 (7.2) | 37.2 (7.2) | 2.7 (2.4) | <.001 | 33.7 (9.7) | 35.3 (8.5) | 1.6 (3.4) | .01 | 1.0 (−0.3 to 2.4) | .13 |
| Nondominant hand | 31.6 (6.7) | 33.7 (7.0) | 2.1 (2.4) | <.001 | 31.6 (9.3) | 33.3 (8.4) | 1.6 (3.6) | .01 | 0.5 (−1.0 to 1.9) | .52 |
| Sit-to-stand test, repetitions in 60 s, No. | 32.0 (9.9) | 42.7 (12.5) | 10.7 (8.6) | <.001 | 30.9 (9.7) | 32.9 (10.6) | 2.0 (5.1) | .02 | 8.7 (5.5 to 12.0) | <.001 |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); CBCR, center-based cardiac rehabilitation; CBET, community-based exercise treatment; IHG, isometric handgrip strength; kgf, kilogram-force; V̇o2, oxygen consumption.