Table 1. Comparison of blood profile in case versus control group.

Variables	Controls	Cases	P-value
Red cells
Erythrocyte sedimentation rate	9.3±3.23	10.3±4.4	0.067
Total erythrocyte count	4.19±0.46	4.21±0.50	0.748
Mean corpuscular hemoglobin (MCH) in picogram	30.25±1.56	28.85±2.27	0.001
Hemoglobin (HB)	12.84±0.96	12.39±1.40	0.011
Hematocrit (%)	40.92±2.65	38.95±4.18	0.001
Mean corpuscular hemoglobin concentration (MCHC) (g/dl)	31.81±1.57	31.35±1.80	0.072
Mean corpuscular volume (MCV)	90.81±1.79	88.67±4.15	0.001
Peripheral blood film
Abnormal (<15%)	19%	37%	0.001
Normal (>15%)	81%	63%	0.001