Skip to main content

Table 2 Serum IL-6, WBC, CRP and PCT in the PP and Non-PP Groups

From: Evaluation of the significance of interleukin-6 in the diagnosis of postoperative pneumonia: a prospective study

Variable

PP Group (n = 68)

Non-PP Group (n = 626)

P

IL-6(pg/mL)

Preoperative

2.0 (1.5,5.7)

1.6 (1.5,5.5)

0.642

POD1

634.9 (370.0,1255.7)

246.0 (132.8,448.2)

 < 0.001

POD2

184.2 (125.4,291.7)

88.9 (56.1,153.1)

 < 0.001

POD3

67.8 (38.9,108.2)

39.5 (25.6,63.1)

 < 0.001

POD4

29.9 (20.4,52.4)

21.8 (15.4,32.1)

 < 0.001

POD5

24.6 (17.2,38.1)

18.9 (13.3,28.1)

 < 0.001

WBC(109//L)

Preoperative

6.5 (5.4,8.2)

6.2 (5.1,8.0)

0.397

POD1

11.3 (9.4,13.4)

11.7 (9.8,14.4)

0.326

POD2

12.4 (9.8,15.5)

12.9 (10.6,15.7)

0.193

POD3

9.8 (8.0,12.4)

10.3 (8.3,12.7)

0.260

POD4

8.5 (6.8,9.9)

8.1 (6.7,10.1)

0.860

POD5

7.2 (6.2,10.0)

7.4 (6.3,9.3)

0.971

CRP (mg/L)

Preoperative

0.9 (0.3,2.2)

0.7 (0.3,3.1)

0.758

POD1

45.4 (25.9,68.7)

44.8 (32.9,66.1)

0.465

POD2

151.6 (116.0,190.0)

123.2 (93.7,159.0)

 < 0.001

POD3

97.7 (70.2,129.1)

63.9 (48.6,79.9)

 < 0.001

POD4

77.1 (61.5,106.3)

58.8 (40.4,80.5)

 < 0.001

POD5

53.9 (38.0,73.5)

40.1 (30.2,53.2)

 < 0.001

PCT (ng/mL)

Preoperative

0.04 (0.04,0.04)

0.04 (0.04,0.04)

0.545

POD1

4.2 (1.8,9.3)

2.9 (1.1,7.7)

0.020

POD2

3.8 (1.7,8.2)

2.4 (0.8,6.4)

0.002

POD3

2.9 (0.9,6.5)

1.1 (0.4,2.8)

 < 0.001

POD4

1.5 (0.5,2.9)

0.7 (0.3,1.9)

 < 0.001

POD5

0.9 (0.3,1.4)

0.4 (0.2,1.1)

0.001

  1. Median (interquartile range), POD Postoperative day