Hypotension after intensive care unit drop-off in adult cardiac surgery patients

Table 2 Association of baseline characteristics with intensive care unit hypotension and mortality

Baseline characteristic	ICU hypotension, n = 227	No ICU hypotension, n = 190	P value	Alive, n = 405	Dead, n = 12	P value
Age, median (IQR)	67 (58, 74)	68 (59, 73)	0.73	67 (59, 73)	64 (59, 67)	0.42
Male sex, n (%)	172 (76)	133 (70)	0.22	299 (74)	6 (50)	0.0935
BMI, median (IQR)	29 (26, 33)	27 (25, 31)	0.01	28 (25, 32)	32 (27, 38)	0.039
CAD, n (%)	164 (72.2)	114 (60.0)	0.009	272 (67)	6 (50)	0.23
DM, n (%)	89 (39.2)	48 (25.3)	0.003	133 (33)	4 (33)	1.0
Afib, n (%)	42 (19)	39 (21)	0.62	78 (19)	3 (25)	0.71
AICD/PM, n (%)	11 (5)	10 (5)	1.00	20 (5)	1 (8)	0.47
PHTN, n (%)	13 (6)	8 (4)	0.51	18 (12)	3 (25)	0.018
IE, n (%)	2 (1)	4 (2)	0.42	6 (1)	0 (0)	1.0
LD, n (%)	18 (8)	9 (5)	0.23	27 (7)	0 (0)	1.0
KD, n (%)	53 (23)	35 (18)	0.23	86 (21)	2 (17)	0.78
IS, n (%)	10 (4)	6 (3)	0.61	16 (4)	0 (0)	1.0
Elective surgery, n (%)	175 (77)	143 (75)	0.73	309 (76)	9 (75)	1.0
ASA, n (%)			0.42			0.02
2	1 (0.5)	1 (0.4)		2 (0.5)	0 (0)
3	94 (49)	94 (41)		186 (46)	2 (17)
4	94 (49)	130 (57)		215 (53)	9 (75)
5	1 (0.5)	2 (0.9)		2 (0.5)	1 (8)
EF%, median (IQR)	60 (51, 64)	62 (54, 66)	0.29	60 (53, 65)	62 (53, 67)	0.62
BT, median (IQR)	117 (90, 150)	114 (85, 148)	0.10	115 (89, 148)	152 (108, 240)	0.0008
CCT, median (IQR)	81 (60, 105)	77 (53, 108)	0.10	80 (55, 105)	111 (59, 160)	0.018
Transfusion, n (%)	138 (61)	124 (65)	0.36	252 (62)	10 (83)	0.22
Pressors, n (%)	178 (78)	138 (73)	0.21	305 (75)	11 (92)	0.31
Bolus given, n (%)	125 (59.0)	87 (41.0)	0.06	203 (50)	9 (75)	0.14
Hb, median (IQR)	13 (12,14)	13 (12, 14)	0.79	13 (12, 14)	13 (10, 14)	0.48
Hct, median (IQR)	40 (35, 42)	40 (36, 42)	0.86	40 (36, 42)	40 (33, 44)	0.73
PLT, median (IQR)	203 (163, 248)	198 (159, 233)	0.18	201 (161, 243)	186 (155, 236)	0.69
Cre, median (IQR)	1.1 (0.9, 1.4)	1 (0.9, 1.2)	0.13	1 (0.9, 1.3)	1.1 (0.9, 1.9)	0.80
Ca, median (IQR)	9.3 (8.9, 9.6)	9.3 (8.9, 9.6)	0.78	9.3 (8.9, 9.6)	9.2 (8.6, 9.4)	0.49
Pre-op SBP, median (IQR)	125 (110, 139)	126 (110, 139)	0.69	126 (110, 139)	114 (98, 144)	0.18
Pre-op MAP, median (IQR)	84 (73, 94)	83 (74, 96)	0.89	84 (74, 95)	80 (49, 91)	0.066

ICU: Intensive care unit; IQR: Interquartile range; n: Number of patients; BMI: Body mass index; CAD: Coronary artery disease; DM: Diabetes mellitus; Afib: Arterial fibrillation; AICD/PM: Automatic implantable cardioverter defibrillator/pacemaker; PHTN: Pulmonary hypertension; IE: Infective endocarditis; LD: Liver disease; KD: Kidney disease; IS: Immunosuppressed; ASA: American Society of Anesthesiologists; EF: Ejection fraction; BT: Bypass time; CCT: Cross-clamp time; Hb: Hemoglobin; Hct: Hematocrit; PLT: Platelet; Cre: Creatinine; Ca: Calcium; pre-op: Pre-operation; SBP: Systolic blood pressure; MAP: Mean arterial pressure.