Table 3 Pulmonary function data before and 1 year after cardiac surgery (n = 150)
From: Pulmonary function and health-related quality of life 1-year follow up after cardiac surgery
Before surgery | 1 year after surgery | 1 year after surgery | Preoperative to postoperative change in pulmonary function (% predicted) | ||
|---|---|---|---|---|---|
Mean ± SD | Mean ± SD | Mean ± SD | CI for the change [95 % CI] P-value | ||
(% predicted) | (% predicted) | (% preoperative values) | |||
VC (l) | 4.1 ± 1.0 | 4.0 ± 1.0 | 97.5 ± 8.3 % | −1.7 ± 9.0 % [−3.1 – -0.2] | 0.025 |
(104.4 ± 16.8) | (102.8 ± 17.2) | 98.7 ± 9.0 % | |||
FVC (l) | 3.9 ± 1.0 | 3.7 ± 1.0 | 96.4 ± 10.8 % | −2.9 ± 11.0 % [−4.6 – -1.1] | 0.002 |
(103.5 ± 18.1) | (100.6 ± 18.6) | 97.8 ± 11.3 % | |||
FEV1 (l) | 2.9 ± 0.8 | 2.7 ± 0.8 | 94.8 ± 10.6 % | −4.1 ± 10.5 % [−5.8 – -2.4] | <0.001 |
(98.2 ± 19.5) | (94.2 ± 20.5) | 96.1 ± 11.0 % | |||
FEV1/VC (%) | 71.0 ± 8.5 | 68.9 ± 8.8 | 97.3 ± 7.5 % | −2.5 ± 6.5 % [−3.6 – -1.5] | <0.001 |
(94.0 ± 11.1) | (91.5 ± 11.5) | 97.4 ± 7.2 % | |||
PEF (l/min) | 542.4 ± 145.7 | 526.4 ± 136.1 | 98.2 ± 13.1 % | −2.8 ± 16.2 % [−5.4 – -0.2] | 0.035 |
(117.2 ± 26.6) | (114.4 ± 23.7) | 99.0 ± 14.6 % | |||
IC (l) | 3.1 ± 0.8 | 3.1 ± 0.8 | 101.4 ± 14.5 % | 1.7 ± 15.7 % [−0.8 – 4.3] | 0.181 |
(108.5 ± 20.8) | (110.2 ± 22.9) | 102.4 ± 15.1 % | |||
FRC (l) | 3.4 ± 0.8 | 3.3 ± 0.8 | 97.6 ± 11.5 % | −3.0 ± 11.2 % [−4.8 – -1.2] | 0.001 |
(98.6 ± 19.7) | (95.6 ± 19.0) | 97.6 ± 11.3 | |||
RV (l) | 2.5 ± 0.7 | 2.5 ± 0.6 | 101.0 ± 16.9 % | −1.3 ± 15.7 %[−3.9 – 1.2] | 0.314 |
(102.4 ± 24.4) | (101.1 ± 22.6) | 100.2 ± 16.3 % | |||
TLC (l) | 6.5 ± 1.3 | 6.4 ± 1.3 | 98.8 ± 7.8 % | −1.5 ± 11.5 % [−3.4 – 0.3] | 0.107 |
(99.3 ± 13.5) | (97.8 ± 15.7) | 98.8 ± 11.7 % | |||