Table 4. Comparison of postoperative clinical results between the two groups.

	Group A (n = 32)	Group B (n = 29)	P value
Total intraoperative and postoperative sedative and analgesic drugs, mg/kg
Midazolam	9.9 ± 2.2	10.9 ± 2.5	0.102
Sufentanil	0.014 ± 0.0015	0.013 ± 0.0015	0.926
Rocuronium	2.7 ± 0.4	2.6 ± 0.3	0.823
Number of patients with delirium	8 (25.0)	16 (55.2)	0.020
Diagnosis time for delirium (postoperative), days	5.3 ± 1.4	6.2 ± 1.5	0.028
Positive screening score for delirium	14.9 ± 4.1	16.1 ± 4.4	0.510
Postoperative pneumonia, n (%)	19 (59.4)	20 (69.0)	0.594
Feeding intolerance, n (%)	9 (28.1)	12 (41.4)	0.296
Duration of mechanical ventilation, days	4.2 ± 1.3	5.0 ± 1.6	0.023
Length of CICU stay, days	8.2 ± 1.4	9.1 ± 1.7	0.046

CICU: cardiac intensive care unit