Cost effectiveness of intensive care in a low resource setting: A prospective cohort of medical critically ill patients

Table 2 Patient characteristics

		All n = 148	1 yr survivors	Dead after one year	P
Age
	Mean (SD)	56 (17)	49 (17)	63 (15)	< 0.01a
Male (%)			58.6	57.7	1b
SAPSII	Mean (SD)	51 (20)	42 (19)	59 (17)	< 0.001a
Dg.(%)
	Cardiac arrest	16.9	18.6	15.4	0.17b
	Cardiogenic shock	1.4	0	2.6
	Coma	12.2	5.7	17.9
	Status epilepticus.	4.7	2.9	6.4
	CHF	3.4	4.3	2.6
	Hypercapnic ARF	10.1	10.0	10.3
	Hypoxic ARF	12.8	12.9	12.8
	Intoxication	9.5	15.7	3.8
	Malignant neurolept.sy	0.7	1.4	0
	Neuromuscular ARF	2.7	4.3	1.3
	Other	2	2.9	1.3
	Renal/metabolic	1.4	1.4	1.3
	Sepsis (including shock)	22.3	20.0	24.4
	Other	16.20%	12.90%	1.30%
ICU LOS
	Sum	1474
	Median (IQR)	6 (3-12)	6 (4-16)	5 (3-10)	0.116c
28 d ICU free days	Median (IQR)	0 (0-22)	12.5 (0-23)	0 (0-19)	0.002c
Ward LOS after ICU
	Sum	1694
	Median (IQR)	14 (0-14)	14 (13.75-15.25)	0 (0-1.25)	< 0.001c
Mechanical ventilation	%	80	74	87	0.097b
Ventilator-free days at 28 d	Median (IQR)	23 (18-25)	23.5 (18-26)	22 (18-25)	0.150c

^aStudent’s t test;

^bχ² test,

^cMann Whitney U test; Dg: Admission diagnosis; ICU: Intensive care unid; LOS: Length of stay; SAPSII: Simplified Acute Physiology Score II. IQR: Interquartile range; CHF: Chronic heart failure.