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

From: Parenchymal preserving anatomic resections result in less pulmonary function loss in patients with Stage I non-small cell lung cancer

  1-2 Segments 3-5 Segments Pvalue
(n = 77) (n = 82)
Preoperative PFT’s    
 FEV1 (observed) (L) 1.95 ± 0.7 2.15 ± 0.7 0.085
 FEV1 (% predicted) 79% ± 23 85% ± 21 0.038
 DLCO (observed) 14.6 ± 5.4 16.6 ± 5.0 0.056
 DLCO (% predicted) 63% ± 22 73% ± 19 0.010
Postoperative PFT’S    
 FEV1 (observed) (L) 1.85 ± 0.7 1.86 ± 0.6 0.726
 FEV1 (% predicted) 75% ± 22 77% ± 21 0.631
 DLCO (observed) 13.3 ± 5.8 14.2 ± 5.3 0.298
 DLCO (% predicted) 60% ± 21 67% ± 22 0.060
Decline in PFT’s    
 FEV1 (obs) (L) 0.1 ± 0.3 0.3 ± 0.4 0.003
 FEV1 (% predicted) 4.3% ± 17.4 8.2% ± 16.7 0.055
 DLCO (obs) (mL/min/mmHg) 1.3 ± 3.5 2.4 ± 3.6 0.015
 DLCO (% predicted) 3.6% ± 15.8 5.9% ± 20.1 0.280