Article Figures & Data
Tables
Patient 1 Patient 2 Patient 3 Reference Range Age/sex 40/M 63/F 45/M Presenting problem PE* PE/DVT DVT Platelets 143,000 273,000 236,000 Factor V Leiden mutation NP NP NP Prothrombin gene mutation NP NP NP Activated protein S 129 76 116 82% to 151% Activated protein C 78 11† 72 65% to 122% Antithrombin III activity 71 112 66 85% to 130% Antithrombin III antigen 280 215 191 to 369 mg/L Anti-cardiolipin IgG 6 10 18 <15: − 15 to 20: ± Anti-cardiolipin IgM 13 15 11 <12.5: − 12.5 to 20: ± Lupus anticoagulant screen ratio 1.36 1.50 <1.20 Protein S antigen (total) 144 65 153 72% to 152% Protein C antigen 81 60 61 76% to 158% Factor X antigen 52 98 70% to 140% Homocysteine 10.9 11.9 Factor IX 66 Factor VIII (done twice) 276 239 247 50% to 150%‡ 126§ 221 329 * PE, pulmonary emboli; DVT, deep vein thrombosis; NP, not present.
† Believed to be secondary to concomitant warfarin.
‡ Percentage (%) is the same as international units/deciliter (IU/dL).
§ Performed at a different laboratory; all others done by Stony Brook University Hospital Laboratory.
