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

Table 3

Perioperative outcomes in patients with scoliosis associated with idiopathic deformities and congenital treated as idiopathic before and after multimodal approach program (MAP).

Characteristic	Before MAP (B1) % (N)	After MAP (B2) % (N)	Pearson chi-squared (Mann–Whitney)	value	Eta-squared OR (95% CI)
Hg intra-op	9.8 ± 3 1.7 (49)	10.3 ± 1.8 (59)	1.488	0.137	0.02
Hg post-op day 1	9.7 ± 1.4 (48)	9.2 ± 1.6 (60)	−1.38	0.66	0.017
Hg low post-op	9.1 ± 1.5 (45)	8.75 ± 1.43 (60)	−1.344	0.179	0.017
Hct low intra-op	29.3 ± 3.5 (40)	30.1 ± 4.95 (53)	0.63	0.529	0.004
Hct post-op day 1	28.7 ± 4.4 (40)	27.3 ± 5.1 (53)	−0.572	0.567	0.003
Hct low pos-op	27.7 ± 3.8 (40)	25.5 ± 5.05 (53)	−1.153	0.123	0.025
Total losses	500 ± 450 (37)	460 ± 300 (59)	−1.519	0.129	0.02
Losses/vol (%)	13.1 ± 9 (32)	12.3 ± 11(56)	−0.013	0.99	<0.001
Losses/level	41.7 ± 31.4(37	39.29 ± 23.33 (59)	−0.61	0.542	0.004
Transf. rate (%) (n)	83.7% (49)	28.3% (60)	33.178	<0.001	0.077 [0.03; 0.198]
Transf. index (N/pt)	2 ± 1(49)	0 ± 1	−6.347	<0.001	0.37