Table 2 Logistic regression analysis on variables for the prediction of NPOBC on postoperative day 3

Age (years)

0.99 (0.97–1.01)

0.416

Gender (male/female)

0.86 (0.75–0.99)

0.036

0.89 (0.79–1.01)

0.081

Weight (kg)

0.99 (0.99–1.00)

0.066

Operation type: scoliosis

Ref

Ref

 fracture

1.01 (0.81–1.27)

0.901

 abdominal tumor

0.94 (0.77–1.17)

0.595

 hypospadias

1.00 (0.75–1.33)

0.989

 hydronephrosis

0.93 (0.74–1.16)

0.508

 biliary tract

1.03 (0.79–1.34)

0.817

PAB score (1pts/2pts/3pts)

1.27 (1.18–1.38)

 < 0.001

1.23 (1.14–1.33)

 < 0.001^a

Pre-anesthesia rScO₂ (mmHg)

1.00 (0.99–1.02)

0.643

Pre-anesthesia HR (mmHg)

1.00 (1.00–1.01)

0.399

Pre-anesthesia SBP (mmHg)

1.00 (0.99–1.01)

0.581

Pre-anesthesia DBP (mmHg)

1.00 (0.99–1.01)

0.627

Pre-anesthesia MAP (mmHg)

1.00 (0.99–1.01)

0.929

Hemorrhage (ml)

1.00 (1.00–1.00)

0.399

Intraoperative urine (ml)

1.00 (1.00–1.00)

0.642

Intraoperative input (ml)

1.00 (1.00–1.00)

0.526

Mean PetCO₂ (mmHg)

0.98 (0.96–1.01)

0.197

Anesthesia duration (min)

1.00 (1.00–1.00)

0.156

Extubation duration (min)

0.99 (0.98–1.00)

0.162

Cerebral desaturation (N/Y)

1.25 (1.09–1.43)

0.002

1.16 (1.02–1.32)

0.022^a

PAED score (pts)

1.02 (1.00–1.04)

0.080

Postoperative pain score (pts)

1.10 (1.04–1.16)

 < 0.001

1.07(1.02–1.13)

0.004^a