Table 1. Baseline characteristics upon ICU admission.

Continuous variables with normal distribution are expressed as mean ± SD and variables with non-normal distribution are expressed as median and IQ range (25th and 75th percentiles)

CKD; Chronic kidney disease, COPD; Chronic obstructive pulmonary disease, DM; Diabetes mellitus

	hvKP	Non-hvKP	P-value
	（N = 9）	（N = 15）
Age - years	80.4±5.8	75.7±13.9	0.255
Male - number (%)	5 (55.6)	12 (80.0)	0.3564
DM - number (%)	3 (33.3)	5 (33.3)	1
COPD - number (%)	1 (11.1)	0 (0)	0.375
CKD – number (%)	5 (55.6)	10 (66.7)	0.6785
Malignancy – number (%)	2 (22.2)	2 (13.3)	0.6146