Table 5.

Mean difference of hemoglobin level with respect to different doses (n = 135)

Dose, mg/kg	n	Mean ± SD	95% CI	P
2-3	67	9.26 ± 1.52	8.89-9.64	<.001
3.1-4	35	8.29 ± 1.45	7.79-8.79
4.1-5	33	7.98 ± 1.54	7.54-8.42

One-way analysis of variance test applied; P < .05 considered significant.

CI, confidence interval; SD, standard deviation.