New parameter in diagnosis of acute appendicitis: Platelet distribution width

Table 1 Comparison of the laboratory values between the groups

Variable	Group I	Group II	Group III	P values
	(n = 295)	(n = 100)	(n = 100)	I vs II	I vs III	II vs III	Overall
White blood cell count, × 109/μL	12.9 (3.1-25.7)	11.5 (5.2-20.0)	7.5 (3.5-13.6)	0.032	< 0.001	< 0.001	< 0.001
Neutrophil, %	73.9 (18.0-93.0)	67.9 (45.0-87.9)	57.6 (21.0-76.0)	0.031	< 0.001	< 0.001	< 0.001
Mean platelet volume, fL	8.5 (6.1-14.2)	8.9 (6.0-13.0)	8.9 (6.9-14.5)	NS	0.001	NS	0.003
Platelet distribution width, %	49.0 (10.6-86.5)	40.8 (12.8-87.9)	18.4 (10.3-62.5)	< 0.001	< 0.001	< 0.001	< 0.001

Data are presented as mean (range). NS: Not significant.