Table 1.

Basic information of the participants of this study

Characteristics	Patients with VAP (N = 142)	Control (N = 138)	P value
Sex (male/female)	104/38	101/37	.942
Age (mean ± SD)	64.5 ± 15.1	66.4 ± 15.2	.883
APACHE II score (mean ± SD)	18.4 ± 5.3	18.7 ± 5.6	.793
Underlying disease (number, %)			.763
Diabetes mellitus type 2	42 (29.6)	38 (27.6)
Coronary heart disease	30 (21.2)	26 (18.8)
Hypertension	39 (27.6)	42 (30.3)
Chronic kidney disease	3 (2.0)	2 (1.4)

Abbreviations: VAP, ventilator‐associated pneumonia.