TABLE 4

Lung volumes: changes from baseline to 2 weeks and 6 months after surgery

Baseline2 weeksChange6 monthsChange
Baseline to 2 weeksp-valueBaseline to 6 monthsp-value
Patients808065
FVC L3.4±0.9
3.4 (1.5–5.6)
2.8±0.9
2.8 (1–5)
−0.6±0.6
−0.6 (−2.5–0.7)
<0.00013.2±0.1
3.1 (1.3–5.7)
−0.29±0.5
−0.29 (−1.7–0.8)
<0.0001
FVC % pred101±21
98 (59–170)
83±21
83 (35–131)
−17.6±17.6
−16 (−7.6–17)
<0.000194±21.9
91 (56–150)
−8.9±17.7
−7 (−6.6–30)
<0.0001
FEV1 L2.3±0.8
2.2 (0.7–4.2)
1.8±0.7
1.8 (0.6–3.6)
−0.43±0. 4
−0.43 (−1.6–0.3)
<0.00012.1±0.7
2.1 (0.8–4)
−0.27±0.3
−0.2 (−0.9–0.5)
<0.001
FEV1 % pred83±21.4
86 (28–134)
68±20.3
66 (20–118)
−15.2±14.1
−16 (−55–16)
<0.000176±18.5
75 (28–120)
−9.6±11.4
−9 (−42–19)
<0.0001
FEV1/FVC66±12.9
68.4 (21.6–85)
65±12.5
65.5 (39–88.6)
−0.92±7.69
12 (−18.6–20.5)
0.1765±11.5
65.1 (32.5–87.6)
−2.12±7.12
−2.5 (−16.7–17.9)
0.002
FEV1/FVC % pred87±17.3
91 (29–111)
86±16
87 (52–119)
−0.9±1
−0.1 (−25–29)
0.2886±15
87 (43–114)
−2±1
−3 (−21–24)
0.017

Data are presented as n, mean±sd or median (minimum–maximum range), unless otherwise stated. FVC: forced vital capacity; FEV1: forced expiratory volume in 1 s. Statistical analysis by Wilcoxon signed-rank test.