Preoperative | Postoperative | p value | Difference (95% CI) | |
---|---|---|---|---|
FEV1(l) | 2.10 (0.16) | 1.87 (0.15) | <0.05 | 0.23 (0.08 to 0.38) |
FEV1 (% predicted) | 70.9 (4.6) | 64.4 (4.6) | <0.05 | 6.5 (1.9 to 11.2) |
FVC (l) | 3.08 (0.21) | 2.72 (0.18) | NS | 0.36 (0.05 to 0.66) |
FVC (% predicted) | 81.9 (3.8) | 74.6 (4.3) | NS | 7.3 (−1.1 to 15.7) |
TLC (l) | 5.35 (0.40) (n = 9) | 5.23 (0.34) (n = 8) | NS | 0.19 (−0.61 to 0.84) |
TLC (% predicted) | 124.9 (7.4) (n = 9) | 127.4 (14.6) (n = 8) | NS | −1.0 (−22.7 to 20.6) |
Tlco (% predicted) | 76.3 (11.1) (n = 9) | 65.3 (8.8) (n = 7) | NS | 11.0 (−4.6 to 26.6) |
PV˙o 2(ml/min/kg) | 20.0 (1.8) (n = 13) | 17.6 (1.1) (n = 12) | NS | 2.36 (−0.74 to 5.46) |
Peak HR (beats/min) | 133 (7) | 134 (7) | NS | −0.9 (−10.1 to 8.2) |
Peak V˙e(l/min) | 47.8 (3.3) (n = 13) | 44.4 (3.5) (n = 12) | NS | 3.5 (−2.4 to 9.4) |
Peak V˙e (% predicted) | 69.3 (4.9) (n = 13) | 67.2 (5.0) (n = 12) | NS | 2.1 (−6.1 to 10.3) |
Peak RER | 1.05 (0.04) (n = 13) | 1.02 (0.02) (n = 12) | NS | 0.03 (−0.07 to 0.12) |
Sao 2(%) | −1.50 (0.44) (n = 13) | −2.42 (0.47) (n = 12) | NS | 0.92 (0.18 to 1.66) |
Borg score | 3.8 (0.6) | 4.3 (0.5) | NS | −0.5 (−1.7 to 0.7) |
FEV1 = forced expiratory volume in one second; FVC = forced vital capacity; TLC = total lung capacity; Tlco = carbon monoxide transfer factor; PV˙o 2 = oxygen consumption; HR = heart rate; V˙e = minute ventilation; RER = respiratory exchange ratio; Sao2 = oxygen saturation.
p values analysed by ANOVA with Bonferroni’s correction.