Summary of laboratory results during 2 years prior to admission.

Table 3: Summary of laboratory results during 2 years prior to admission.

Erythrocyte Sedimentation Rate	91 mm/Hr (0-20 mm/Hr)
PT patient	20.0 sec
PT control	11.7 sec
INR	1.67 sec
APTT patient	71.8 sec
APTT control	33.9 sec
APTT mixing patient	62.1 sec
APTT control	31.3 sec

PT: Prothrombin time; APTT: Activated partial thromboplastin time; INR: International normalized ratio.