Table 4: Association of PLTs and Ferritin with demographic and hematologic parameters among donors who have ferritin level less than 60 ng/mL (n = 33).
| 
 Parameters 
  | 
 PLTs  | 
 Ferritin  | 
| 
 Age  | 
 -0.093 (0.64)  | 
 0.279 (0.16)  | 
| 
 BMI  | 
 0.061 (0.77)  | 
 -0.067 (0.74)  | 
| 
 SBP  | 
 -0.221 (0.27)  | 
 0.113 (0.57)  | 
| 
 DBP  | 
 -0.356 (0.045)  | 
 0.585 (0.002)  | 
| 
 Hb  | 
 0.012 (0.95)  | 
 -0.112 (0.58)  | 
| 
 RBCs  | 
 -0.102 (0.62)  | 
 0.096 (0.64)  | 
| 
 HCT  | 
 -0.170 (0.40)  | 
 0.029 (0.88)  | 
| 
 MCV  | 
 -0.061 (0.77)  | 
 0.048 (0.81)  | 
| 
 MCH  | 
 -0.020 (0.92)  | 
 -0.112 (0.58)  | 
| 
 MCHC  | 
 -0.036 (0.86)  | 
 -0.156 (0.44)  | 
| 
 RDW-CV  | 
 -0.211 (0.30)  | 
 0.065 (0.75)  | 
| 
 WBCs  | 
 0.170 (0.40)  | 
 0.002 (0.99)  | 
| 
 PLTs  | 
 __________  | 
 0.432 (0.012)  | 
Data presented represent b values (p values) assessed by linear regression; b) Coefficient for the relationship between the dependent variables (demographic and hematologic parameters) and the independent variables (PLTs and Ferritin).