Variable Case group Control group Normal value
  Median Interquartile range Median Interquartile range
Platelet (K/µl) 257 100 315.5  78  150-400
PT (second) 13 4.8 12.3 1.7 10-13
INR 1 0.46 0.93 0.16 0.8-1.2
APTT(second) 42 26 31.3 4.15 25-36
Fibrinogen (mg/dl) 320 232 241.5 72.75 200-400
PT: Prothrombin Time; INR: International Normalization Ratio; APTT: Activated Partial Thromboplastin Time
Table 2: Comparison of mean rank of coagulation parameters of case and control groups using Mann-Whitney U test at JUSH chronic care center, southwest Ethiopia, from April to May, 2014.