Table 2. The mean values of the MPV, PCT, and PDW and the comparison of platelet parameters (mean±SD) for four groups.

	Group 1	Group 2	Group 3	Group 4	P-value
MPV	7.94±0.63	8.05±0.76	8.10±0.68	7.74±0.78	0.01
PCT	0.20±0.05	0.20±0.06	0.19±0.04	0.19±0.05	0.48
PDW	14.85±1.27	15.15±1.19	14.92±1.15	14.64±1.16	0.27

Abbreviations: MPV, mean platelet volume; PCT, plateletcrit; PDW, platelet distribution width.