Tested for PTT in Blood
Normal range: 22.0 - 35.0 sec
Day 19: 23.6 
Day 218: 22.3 
Day 228: 18.2 
Day 2406: 29.5 
Day 2407: 30.2 
Day 2842: 34.3 
Day 3538: 33.7 
Day 3778: 30.8 

Tested for PTT in Blood
Trend is increasing
Abnormality: 
Low values on days 228
