Table 2.
PTS Subjects n=50 |
No PTS n=58 |
Expected Ratio for Seattle Areab [36] |
|
---|---|---|---|
Hp (mg/dl)a | 200 ± 90 | 192 ± 71 | --- |
Hp Phenotype | |||
Hp 1-1 | 11 (22 %) | 7 (12 %) | 14% |
Hp 2-1 | 22 (44%) | 28 (48%) | 48% |
Hp 2-2 | 17 (34%) | 23 (40%) | 38% |
normal range for Haptoglobin (100-300 mg/dl), p = 0.57
There is not a statistically significant difference in Hp phenotype distribution in patients who developed PTS compared to those who did not. (χ2 = 0.250, DF=2, p=0.883)