Table 3 Subgroup analyses.

From: Preoperative chlorhexidine mouthwash can reduce the risk of postoperative pulmonary complications in elderly patients undergoing general anesthesia with endotracheal intubation

  

D0 LUS

D1 LUS

D3 LUS

Pneumonia, n (%)

Fever, n (%)

Cough severity(I/II/III/IV)

Sputum production, n (%)

Colony forming unit(CFU/ml)

No oral frailty(n = 47)

NS Group (n = 27)

2.8 ± 1.3

4.7 ± 2.4

2.8 ± 1.8

2 (7.4)

2 (3.2)

10/9/7/1

4 (14.8)

4 (2,5)

CH Group (n = 20)

2.4 ± 1.5

4.0 ± 1.2

3.0 ± 1.2

0 (0)

2 (3.0)

9/7/4/0

2 (10)

3 (0,4)

P value

0.266

0.166

0.688

0.500

0.500

0.776

1

0.097

Oral frailty(n = 31)

NS Group (n = 12)

2.0 ± 1.0

11.1 ± 2.8

3.8 ± 2.9

4 (33.3)

2 (8.3)

6/3/1/2

3 (25)

4 (2,8.25)

CH Group (n = 19)

2.7 ± 1.5

5.8 ± 2.7

2.0 ± 1.8

3 (15.8)

1 (5.0)

8/6/4/1

4 (21.1)

2 (0,3.5)

P value

0.747

< 0.001

0.035

0.384

0.630

0.586

1

0.043

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