A retrospective cohort study on red blood cell morphology changes in pre-school age children under nitrous oxide anesthesia

Table 4 Multiple Linear Regression Analysis for rΔMCV

Variable	B	95%CI	P value
Group	3.77E-4	−0.011-0.011	0.946
Age (y)	−0.006	− 0.011--0.001	0.020
Sex	0.007	−0.004-0.019	0.206
Blood loss amount (/100 mL)	0.005	8.2E-5-0.010	0.054
Intraoperative fluid infusion(/100 mL)	0.001	−0.001 − 0.004	0.332
Allogeneic transfusion amount (U)	-0.004	−0.014-0.005	0.386
Exclusively allogeneic transfusion (%)	0.011	−0.002-0.025	0.106

Group is taken to represent children with or without nitrous oxide exposure. rΔMCV relative changes of mean corpuscular volume

ISSN: 1471-2253