Table-I.

Demographics and characteristics of ICU patients (n=850)

Age, years (mean ± SD)	63±12
Female/male n (%)	407(48)/443(52)
Max admission HR (mean ± SD)	94±19
Min admission HR (mean ± SD)	68±142
Max HR after BB (mean ± SD)	79±13
Min HR after BB (mean ± SD)	69±10
Admission SBP (mean ± SD)	134±25
Admission DBP (mean ± SD)	71±15
Hypotension n (%)	621 (73)
Admission GCS n (%)
3-7 n (%)	89 (10)
8-12 n (%)	14 (2)
13-15 n (%)	744 (87)
Postoperative	736(86)
Inotropsn (%)	65 (8)
Vasopressors n (%)	66 (8)
Anemia n (%)	496 (59)
Admission MV n (%)	99 (12)
Hospitalization MV n (%)	79 (9)
Length of ICU hospitalization (median[5-95])	3 [0-120]
Length of hospitalization (median[5-95])	9 [1-130]
ICU death n (%)	47 (5)
Post ICU death n (%) Hospital death n (%)	30 (3)
CHARLSON (ort ± SD)	3.5±1.7
APACHE II (ort ± SD)	9.3±9.2

BB: beta blocker; HR: heart rate;

ICU: intensive care unit; SD: standard deviation;

SBP: systolic blood pressure;

DBP: diastolic blood pressure; GKS: Glasgow Coma Scale;

MV: mechanical ventilation;

max: maximum; min: minimum.