Table 1 Characteristics of participants with or without NPOBC on postoperative day 3

Age (years)

5.00 [3.00;8.00]

4.10 [3.00;7.00]

0.417

Gender, n (%):

0.051

 male

48 (45.3%)

52 (60.5%)

 female

58 (54.7%)

34 (39.5%)

Weight (kg)

19.0 [14.9;28.8]

18.0 [14.8;24.5]

0.132

Operation type, n (%):

0.917

 scoliosis

34 (32.1%)

30 (34.9%)

 fracture

15 (14.2%)

14 (16.3%)

 abdominal tumor

20 (18.9%)

14 (16.3%)

 hypospadias

9 (8.49%)

8 (9.30%)

 hydronephrosis

19 (17.9%)

11 (12.8%)

 biliary tract

9 (8.49%)

9 (10.5%)

PAB score, n (%):

 < 0.001

 1 pts

67 (63.2%)

24 (27.9%)

 2 pts

27 (25.5%)

26 (30.2%)

 3 pts

12 (11.3%)

36 (41.9%)

Pre-anesthesia HR (mmHg)

103 (13.3)

105 (11.8)

0.313

Pre-anesthesia SBP (mmHg)

100 [96.0;110]

100 [95.0;107]

0.655

Pre-anesthesia DBP (mmHg)

60.0 [55.0;70.0]

61.0 [55.0;68.0]

0.438

Pre-anesthesia MAP (mmHg)

73.0 [70.0;80.0]

74.0 [69.2;80.8]

0.644

Pre-anesthesia rScO₂ (mmHg)

84.0 [80.6;87.0]

84.2 [80.5;87.4]

0.611

Hemorrhage (ml)

10.0 [5.00;185]

17.5 [5.00;140]

0.372

Intraoperative urine (ml)

200 [57.5;385]

250 [60.0;450]

0.341

Intraoperative input (ml)

650 [300;1050]

750 [362;1100]

0.381

Mean PetCO₂ (mmHg)

34.0 [32.0;36.0]

33.0 [32.0;35.0]

0.276

Anesthesia duration (min)

178 [125;250]

198 [126;269]

0.358

Extubation duration (min)

19.0 [15.0;23.0]

16.0 [13.0;21.0]

0.080

PAED score (pts)

6.00 [3.00;8.00]

7.00 [3.00;10.0]

0.105

Emergence delirium, n (%):

0.026

 no

81 (76.4%)

52 (60.5%)

 yes

25 (23.6%)

34 (39.5%)

Postoperative pain score (pts)

2.50 [1.50;3.00]

3.50 [2.00;4.00]

 < 0.001

Postoperative pain, n (%):

 < 0.001

 no

86 (81.1%)

48 (55.8%)

 yes

20 (18.9%)

38 (44.2%)

Cerebral desaturation, n (%):

0.003

 no

68 (64.2%)

36 (41.9%)

 yes

38 (35.8%)

50 (58.1%)