Characteristic

N = 116

Mean age ± standard deviation in months

147.5 ± 40.2

Median weight (interquartile range) in kilograms

34 (24 - 45)

ASA I n (%)

1 (0.9)

ASA II n (%)

35 (30)

ASA III n (%)

63 (54.3)

ASA IV n (%)

17 (14.7)

Idiopathic scoliosis n (%)

45 (38.8)

Non idiopathic scoliosis n (%)

71 (61.2)

Emergency surgery n (%)

5 (4.3)

Elective surgery n (%)

111 (95.7)

Re-operation n (%)

12 (10.3)

Patients with intra-operative and or postoperative complications (organ failure or sepsis) n (%)

28 (24.1)

Intra-operative anaphylaxis n (%)

1 (0.9)

Intra-operative respiratory failure n (%)

1 (0.9)

Intra-operative hemorrhagic shock n (%)

3 (2.6)

Postoperative renal failure n (%)

1 (0.9)

Postoperative cardio-circulatory failure n (%)

2 (1.7)

Postoperative respiratory failure n (%)

3 (2.6)

Postoperative neurologic failure n (%)

7 (6)

Postoperative abdominal sepsis n (%)

2(1.7)

Postoperative septicemia n (%)

2 (1.7)

Postoperative urinary sepsis n (%)

3 (2.6)

Postoperative surgical wound sepsis n (%)

8 (6.9)

In-hospital mortality n (%)

0 (0)

Transfusion n (%)

56 (48.3)

Median length of intensive care unit stay in days (range)

4 (0 - 25)

Median length of hospital stay in days (range)

10 (1 - 50)

Median total length of hospital stay in days (range)

12 (2 - 67)

Median length of mechanical ventilation in days (range)

0 (0 - 21)

Median packed red blood cells volume in units (range)

0 (0 - 3)

Median fresh frozen plasma volume in units (range)

0 (0 - 5)

Median concentrated platelet units (range)

0 (0 - 2)

Mean preoperative hemoglobin levels ± standard deviation in g/dL

12.4 ± 1.7

Mean postoperative hemoglobin levels ± standard deviation in g/dL

10.7 ± 1.6

Median crystalloid volume in ml (range)

1750 (500 - 4684)

Median colloid volume in ml (range)

2000 (0 - 6952)