Table 4.
Age-adjusted median Ab titers and percentage changes in the relationship between sex and smoking.
| Variable | Male n, Ab, Median (IQR), U/mL Percentage Change, Median (IQR), % |
Female n, Ab, Median (IQR), U/mL Percentage Change, Median (IQR), % |
p-Value for Ab Titer Percentage Change |
|---|---|---|---|
| Ever-smokers | 70 | 79 | |
| −120 (−266 to 152) | −68 (−278 to 193) | 0.5709 * | |
| −25.9% (−38.0 to −12.0) | −30.5% (−42.0 to −18.7) | 0.0400 * | |
| Never-smokers | 45 | 171 | |
| 115 (−181 to 519) | 46 (−181 to 332) | 0.4700 * | |
| −24.0% (−34.0 to −12.1) | −31.7% (−42.1 to −20.9) | 0.0050 * | |
| p-value for | |||
| Ab titer | 0.0040 * | 0.0120 * | |
| Percentage change | 0.7613 * | 0.7018 * |
IQR = interquartile range. *: Mann–Whitney U test.