|
Number of patients
|
65
|
71
| |
|
Male, N (%)
|
42 (64.6)
|
46 (64.8)
|
0.983
|
|
Age (months)
|
43.6 ± 14.4
|
43.5 ± 13.0
|
0.827
|
|
Weight (kg)
|
15.7 ± 4.1
|
16.1 ± 3.7
|
0.381
|
|
Height (cm)
|
97.3 ± 10.7
|
97.6 ± 10.7
|
0.789
|
|
Duration of surgery (min)
|
167.5 ± 37.1
|
172.4 ± 35.5
|
0.265
|
|
Duration of anesthesia (min)
|
233.6 ± 38.8
|
230.9 ± 40.0
|
0.912
|
|
N2O inspiration concentration (%)
|
n.a.
|
50 [50–50]
|
< 0.001
|
|
Cumulative N2O dose (N2O × time)
|
n.a.
|
100.5 [84.0–112.5]
|
< 0.001
|
|
Length of stay (days)
|
13.8 ± 4.2
|
13.6 ± 4.8
|
0.766
|
|
Preoperative red blood cell (1012/L)
|
4.6 ± 0.4
|
4.6 ± 0.3
|
0.828
|
|
Preoperative hemoglobin (g/L)
|
127.7 ± 9.1
|
126.7 ± 7.1
|
0.496
|
|
Preoperative white blood cell (109/L)
|
7.0 ± 1.5
|
7.0 ± 1.4
|
0.945
|
|
Preoperative platelet (109/L)
|
314.3 ± 73.3
|
293.9 ± 68.7
|
0.094
|
