Table 2. . Health characteristics of study sample (n = 113).

Characteristic	Observations, n (%)		p-value†
	ICU patients (n = 55)	Wards patients (n = 58)
Hypertension	37 (67.3)	31 (53.4)	0.155
Diabetes mellitus	35 (63.6)	26 (44.8)	0.062
Nonhematologic cancer, on chemotherapy	0 (0)	1 (1.7)	>0.999
Nonhematologic cancer, not on chemotherapy	0 (0)	1 (1.7)	>0.999
Hematologic cancer, on chemotherapy	0 (0)	1 (1.7)	>0.999
Hematologic cancer, not on chemotherapy	0 (0)	0 (0)	–
Use of anti-hypertensive medications
Calcium channel blocker	13 (23.6)	9 (15.5)	0.312
Beta blocker	14 (25.5)	13 (22.4)	0.739
ACE-inhibitor use	25 (45.5)	17 (29.3)	0.065
Diuretic	14 (25.5)	7 (12.1)	0.081
Central agonist	1 (1.8)	0 (0)	0.955
Vasodilator	3 (5.5)	1 (1.7)	0.533
Use of disease modifying anti-rheumatic drugs	2 (3.6)	0 (0)	0.213
Current smoker	4 (7.3)	7 (12.1)	0.131
Pregnant	0 (0)	2 (3.4)	0.499
Mortality	22 (40.0)	4 (6.9)	<0.0001

^†p-value significance is set at 0.05. p-values from Mann–Whitney test for continuous variables and chi-squared test for categorical variables.

ACE: Angiotensin-converting enzyme; ICU: Intensive care unit; M: Mean; SD: Standard deviation.