Table 2 Incidence of PPCs by the quintiles of FEV1%pred and DLco %pred in patients with esophageal cancer who underwent esophagectomy.

From: Preoperative DLco and FEV1 are correlated with postoperative pulmonary complications in patients after esophagectomy

 

FEV1%pred

Total (%)

Quintile 1

(n = 165)

 ≤ 78

Quintile 2

(n = 165)

 > 78– ≤ 87

Quintile 3

(n = 171)

87 > – ≤ 94

Quintile 4

(n = 155)

94 > – ≤ 103

Quintile 5

(n = 154)

103 > – ≤ 139

P for trend

Overall PPCs

159 (19.6)

49 (29.7)

38 (23.0)

31 (18.1)

22 (14.2)

19 (12.3)

 < 0.01

 Atelectasis requiring bronchoscopic intervention

22 (2.7)

6 (3.6)

4 (2.4)

7 (4.1)

1 (0.6)

4 (2.6)

0.35

 Pneumonia

132 (16.3)

43 (26.1)

28 (17.0)

24 (14.0)

20 (12.9)

17 (11.0)

 < 0.01

 ALI/ARDS

34 (4.2)

10 (6.1)

13 (7.9)

6 (3.5)

3 (1.9)

2 (1.3)

 < 0.01

 

DLco %pred

Total (%)

Quintile 1

(n = 166)

 ≤ 72

Quintile 2

(n = 171)

 > 72– ≤ 83

Quintile 3

(n = 160)

 > 83– ≤ 92

Quintile 4

(n = 153)

 > 92– ≤ 102

Quintile 5

(n = 160)

 > 102– ≤ 148

P for trend

Overall PPCs

159 (19.6)

59 (35.5)

36 (21.1)

27 (16.9)

20 (13.1)

17 (10.6)

 < 0.01

 Atelectasis requiring bronchoscopic intervention

22 (2.7)

9 (5.4)

3 (1.8)

4 (2.5)

3 (2.0)

3 (1.9)

0.09

 Pneumonia

132 (16.3)

49 (29.5)

29 (17.0)

22 (13.8)

19 (12.4)

13 (8.1)

 < 0.01

 ALI/ARDS

34 (4.2)

14 (8.4)

11 (6.4)

6 (3.8)

1 (0.7)

2 (1.3)

 < 0.01

  1. Data are presented as number (%).
  2. PPCs, postoperative pulmonary complications; FEV1, forced expiratory volume in 1 s; %pred, %predicted; DLco, diffusing capacity of the lung for carbon monoxide; Quantile 1, the lowest quintile; Quantile 5, the top quintile; ALI, acute lung injury; ARDS, acute respiratory distress syndrome; COPD, chronic obstructive pulmonary disease.
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