Determination of functional prognosis in hospitalized patients following an intensive care admission

Table 1 Subjects characteristics (n = 198)

Variables	Levels	Age < 65 yr	Age≥65 yr	P value	All sample
		Mean ± SD	Mean ± SD		Mean ± SD	Median (Min; max)
		n = 39	n = 159		n = 198
Age, yr		50.5 ± 12.2	82.7 ± 8.6	NT	76.4 ± 15.9	80 (24; 101)
KATZ at ICU admission, score		3.9 ± 1.4	4.3 ± 1.4	0.207	4.2 ± 1.4	4 (0; 6)
MRC at ICU admission, score		46.6 ± 15.1	39.1 ± 14.9	0.007	40.6 ± 15.2	44 (0; 60)
KATZ at ward admission, score		2.7 ± 2.1	4.2 ± 1.6	< 0.001	3.9 ± 1.8	4 (0; 6)
MRC at ward admission, score		48.1 ± 15.0	40.0 ± 15.1	0.004	41.6 ± 15.3	45.5 (0; 60)
KATZ at hospital discharge, score		2.5 ± 2.2	4.0 ± 1.8	< 0.001	3.7 ± 2	4 (0; 6)
MRC at hospital discharge, score		50.6 ± 15.4	41.9 ± 14.0	0.002	43.6 ± 14.7	48 (0; 60)
Hospital length of stay, d		9.9 ± 7.0	12.1 ± 9.8	0.117	12 ± 9	9 (2; 52)
SAPS3, %		43.8 ± 8.8	53.7 ± 8.6	< 0.001	51.7 ± 9.5	51 (27; 89)
Gender, n (%)	Female	17 (14)	104 (86)	0.017	121 (61)	-
	Male	22 (29)	55 (71)	-	77 (39)	-
Sepsis, n (%)	No	19 (20)	74 (80)	0.859	93 (47)	-
	Yes	20 (19)	85 (81)	-	105 (53)	-
COPD, n (%)	No	37 (21)	142 (79)	0.377	179 (90)	-
	Yes	2 (11)	17 (89)	-	19 (10)	-
Dementia, n (%)	No	39 (27)	108 (73)	< 0.001	147 (74)	-
	Yes	0 (0)	51 (100)	-	51 (26)	-
Previous stroke, n (%)	No	38 (22)	134 (78)	0.032	172 (87)	-
	Yes	1 (4)	25 (96)	-	26 (13)	-
Cause of ICU admission, n (%)	Cardiovascular	4 (33)	8 (67)	0.646	12 (6)	-
	Gastrointestinal	3 (16)	16 (84)	-	19 (10)	-
	Neoplastic	0 (0)	1 (100)	-	1 (1)	-
	Neurologic	4 (25)	12 (75)	-	16 (8)	-
	Renal	8 (23)	27 (77)	-	35 (18)	-
	Pulmonary	16 (21)	62 (79)	-	78 (39)	-
	Others	4 (11)	33 (89)	-	37 (19)	-

KATZ: KATZ Index of Independence in Activities of Daily Living; MRC: Medical Research Council; SAPS3: Simplified acute physiology score; COPD: Chronic obstructive pulmonary disease; NT: Not tested.