Table 5.
Postoperative cardiovascular responses to exercise in PR and CTRL groups.
| Variables | Before PSM | After PSM | ||||||
|---|---|---|---|---|---|---|---|---|
| CTRL group (n = 336) | PR group (n = 84) | p value | SMD | CTRL group (n = 46) | PR group (n = 46) | p value | SMD | |
| SVI (ml/min/m2) (at rest) | 41.98 (10.16) | 42.67 (9.74) | 0.575 | 0.069 | 44.51 (10.30) | 42.42 (9.34) | 0.311 | 0.212 |
| SVI (ml/min/m2) (during exercise) | 54.40 (14.34) | 50.83 (17.57) | 0.052 | 0.223 | 55.42 (13.52) | 51.71 (17.07) | 0.25 | 0.241 |
| CI (L/min/m2) (at rest) | 3.44 (0.67) | 3.39 (0.58) | 0.478 | 0.091 | 3.46 (0.62) | 3.30 (0.58) | 0.215 | 0.26 |
| CI (L/min/m2) (during exercise) | 7.71 (1.91) | 6.41 (1.92) | <0.001 | 0.681 | 7.87 (1.83) | 6.24 (1.90) | <0.001 | 0.869 |
| O2P (mL/beat) | 8.48 (1.86) | 9.23 (1.94) | 0.001 | 0.393 | 8.51 (1.52) | 8.99 (1.87) | 0.176 | 0.285 |
| WE (mL/min/W) | 9.02 (1.93) | 9.15 (2.06) | 0.569 | 0.068 | 8.58 (1.87) | 8.77 (2.03) | 0.643 | 0.097 |
| AT (mL/min) | 679.64 (138.62) | 705.83 (155.61) | 0.132 | 0.178 | 669.78 (150.13) | 699.78 (155.84) | 0.35 | 0.196 |
| HR (beats/min) (during exercise) | 131.19 (20.88) | 127.69 (16.86) | 0.155 | 0.185 | 132.26 (19.38) | 125.98 (14.81) | 0.084 | 0.364 |
| Mean BP (mmHg) (during exercise) | 108.99 (14.78) | 107.12 (13.85) | 0.294 | 0.131 | 112.22 (15.06) | 108.63 (14.72) | 0.251 | 0.241 |
PSM, propensity score matching; CTRL, control; PR, pulmonary rehabilitation; SMD, standardized mean difference; SVI, stroke volume index; CI, cardiac index; O2P, oxygen pulse; WE, work efficiency; AT, anaerobic threshold; HR, heart rate; BP, blood pressure.