Table 2.

Comparison of clinical outcomes between control group and intensivist group after propensity score matching

Variable	Control group	Intensivist group	p-value	Odds ratio (95% confidence interval)
Mechanical ventilation (hr)	13.7±49.3	6.4±13.7	0.013
Mechanical ventilation >24 hr	23 (7.6)	7 (2.3)	0.006	0.29 (0.12–0.68)
Extubation within 6 hr	178 (58.9)	235 (77.8)	<0.001	2.44 (1.71–3.49)
Re-intubation within 48 hr after extubation	9 (3.0)	0	0.004	NA
Length of ICU stay (hr)	41.7±90.4	28.7±33.9	0.018
ICU stay >72 hr	27 (8.9)	16 (5.3)	0.091	0.57 (0.30–1.08)
ICU re-admission within 48 hr after discharge	3 (1.0)	2 (0.7)	1.000	0.66 (0.11–4.01)
Re-exploration for postoperative bleeding	4 (1.3)	3 (1.0)	1.000	0.75 (0.17–3.37)
Cardiac arrest	4 (1.3)	2 (0.7)	0.688	0.50 (0.09–2.73)
Cardiac arrest due to cardiac tamponade	2 (0.7)	0	0.500	NA
Deep sternal wound infection	23 (7.6)	9 (3.0)	0.011	0.37 (0.17–0.82)
Ventilator-associated pneumonia	6 (2.0)	2 (0.7)	0.289	0.33 (0.07–1.64)
Delirium	19 (6.3)	4 (1.3)	0.003	0.20 (0.07–0.60)
Stroke	5 (1.7)	3 (1.0)	0.727	0.60 (0.14–2.52)
Acute kidney injury	16 (5.3)	4 (1.3)	0.012	0.24 (0.08–0.73)
Intermittent dialysis	4 (1.3)	1 (0.3)	0.375	0.25 (0.03–2.23)
Continuous renal replacement therapy	6 (2.0)	1 (0.3)	0.125	0.16 (0.02–1.37)
Length of hospital stay (day)	10.1±15.1	9.5±7.0	0.512
Hospital stay >14 day	34 (11.3)	32 (10.6)	0.896	0.93 (0.56–1.56)
30-day mortality	5 (1.7)	1 (0.3)	0.219	0.20 (0.02–1.70)
Any complication	86 (28.5)	52 (17.2)	0.001	0.52 (0.35–0.77)
Multiple complications	40 (13.2)	22 (7.3)	0.014	0.52 (0.30–0.89)

Values are presented as mean±standard deviation or number (%).

NA, not applicable; ICU, intensive care unit.