Blood Management and Risk Assessment for Transfusion in Pediatric Spinal Deformity Surgery

Table 2

Characterization of the population under study before and after the implementation of the multimodal approach program to decrease transfusion needs in patients with scoliosis associated with neuromuscular syndromic and muscular dystrophies diseases (Group B).

Characteristic	Before MAP (B1) % (N)	After MAP (B2) % (N)	Pearson chi-squared (Mann–Whitney)	value	OR (95% CI) (eta-squared)
Gender	50% (52)	58% (48)	0.698	0.406	1.4 [0.63; 0.57]
Weight (kg)	38 ± 16.5 (40)	40 ± 24.8 (45)	1.194	0.233	0.016
Age (years)	13.5 ± 5 (52)	13 ± 4 (48)	−0.097	0.923	<0.0001
Cobb angle (°)	79.5 ± 38.8 (52)	83.9 ± 30.15 (48)	0.821	0.412	0.006
Levels	16 ± 3 (52)	15 ± 2 (48)	−1.723	0.085	0.029
Adit. procedure	28.8% (15)	12.5% (6)	4.02	0.046	0.352 [0.12; 1.00]
Pre-op hb	13 ± 2.3 (48)	13.5 ± 1.4 (48)	1.008	0.313	0.01
OP time (m)	272.5 ± 60 (40)	300 ± 102 (47)	1.109	0.268	0.014

^∗indicates anterior releases.