Table 3. Independence between PFAA used in the index and potential confounders such as BMI and smoking history.
| Variable | P-value for a variable in logistic regression | |||
|---|---|---|---|---|
| Base (PFAA only) | +BMI | +Smoking | +BMI, Smoking | |
| Ser | 2.97x10-9 | 1.97x10-8 | 1.46x10-9 | 7.36x10-9 |
| Asn | 8.89x10-2 | 4.91x10-2 | 8.55x10-2 | 4.03x10-2 |
| Ala | 1.32x10-3 | 1.46x10-2 | 1.59x10-3 | 2.32x10-2 |
| Ile | 7.55x10-9 | 6.62x10-10 | 2.12x10-8 | 1.50x10-9 |
| His | 6.13x10-11 | 6.20x10-11 | 1.16x10-10 | 1.54x10-10 |
| Trp | 2.66x10-4 | 7.42x10-4 | 4.55x10-4 | 1.42x10-3 |
| BMI | 5.05x10-4 | 1.26x10-4 | ||
| Smoking | 9.19x10-1 | 9.77x10-1 | ||