Table 5 Comparison of postoperative medical complication rates between patients with and without preoperative comorbidities.

From: Impact of preoperative comorbidities on postoperative complication rates and survival outcome in patients with head and neck cancer undergoing surgical treatment

Preoperative comorbidities

Group without medical complication

(N=375)

Group with medical complication

(N=33)

OR

P

Cardiac diseases, N(%)

  

2.476(1.192-5.144)

0.013*

Yes

86(86.0)

14(14.0)

  

No

289(93.8)

19(6.2)

  

Coronary artery diseases, N(%)

  

2.701(1.216-5.999)

0.012*

Yes

52(83.9)

10(16.1)

  

No

323(93.4)

23(6.7)

  

High blood pressure, N(%)

  

1.295(0.629-2.665)

0.482

Yes

136(90.7)

14(9.3)

  

No

239(92.6)

19(7.4)

  

Pulmonary diseases, N(%)

  

2.289(0.974-5.375)

0.061

Yes

46(85.2)

8(14.8)

  

No

329(92.9)

25(7.1)

  

Cerebral diseases,Nn(%)

  

3.643(1.570-8.450)

0.005*

Yes

35(79.6)

9(20.5)

  

No

340(93.4)

24(6.6)

  

Cerebrovascular accident, N(%)

  

3.614(1.433-9.112)

0.011*

Yes

26(78.8)

7(21.2)

  

No

349(93.1)

26(6.9)

  

Endocrine metabolic diseases, N(%)

 

2.248(1.059-4.772)

0.031*

Yes

76(20.3)

12(13.6)

  

No

299(93.4)

21(6.6)

  

Diabetes mellitus, N(%)

 

2.050(0.907-4.633)

0.079

Yes

58(86.6)

9(13.4)

  

No

317(93.0)

24(7.0)