Table 3 Preoperative, postoperative, and mean decline in PFT’s

Preoperative PFT’s

 FEV_{1 (observed)} (L)

1.95 ± 0.7

2.15 ± 0.7

0.085

 FEV_{1 (% predicted)}

79% ± 23

85% ± 21

0.038

 D_{LCO (observed)}

14.6 ± 5.4

16.6 ± 5.0

0.056

 D_{LCO (% predicted)}

63% ± 22

73% ± 19

0.010

Postoperative PFT’S

 FEV_{1 (observed)} (L)

1.85 ± 0.7

1.86 ± 0.6

0.726

 FEV_{1 (% predicted)}

75% ± 22

77% ± 21

0.631

 D_{LCO (observed)}

13.3 ± 5.8

14.2 ± 5.3

0.298

 D_{LCO (% predicted)}

60% ± 21

67% ± 22

0.060

Decline in PFT’s

 FEV_{1 (obs)} (L)

0.1 ± 0.3

0.3 ± 0.4

0.003

 FEV_{1 (% predicted)}

4.3% ± 17.4

8.2% ± 16.7

0.055

 D_{LCO (obs)} (mL/min/mmHg)

1.3 ± 3.5

2.4 ± 3.6

0.015

 D_{LCO (% predicted)}

3.6% ± 15.8

5.9% ± 20.1

0.280