Table 1.

Occurrence of VAP in selected comorbidities.

Comorbidities		VAP
		Yes		No		p
		n	%	n	%
Diabetes	Yes	161	9	548	29	0.016
	No	265	14	1181	48
Obesity	Yes	145	8	145	8	<0.001
	No	281	15	1301	69
Alcoholism	Yes	68	4	133	7	<0.001
	No	358	19	1313	70
COPD	Yes	72	4	2	>0.5	<0.001
	No	354	23	1444	76.5

COPD—chronic obstructive pulmonary disease, p—significance level, n—number of patients, %—percent.