G/dL; grade 3: Hb 6.5 to,7 g/dL and grade 4: Hb,6.5 g
G/dL; grade 3: Hb 6.5 to,7 g/dL and grade 4: Hb,6.5 g/dL.Data collection and statistical analysisAll available clinical and laboratory data were prospectively recorded using standardized data collection tools and…