Table 3.
Adjusteda Mean Total IgG by Extent of Periodontal Disease (using Extent PD 5 mm) Stratified by Quartile of Serum 8-Isoprostane
| |
Mean total IgG (ng/ml) (SE) |
|
|
|---|---|---|---|
| |
Mean (std err) |
|
|
| Serum quartiles of 8-isoprostaneb(n) | Low PD | High PD | p > |t|a |
| 1 (1,019) | 1,475.1 (49.1) | 1,791.5 (88.3) | 0.002 |
| 2 (1,048) | 1,270.9 (49.1) | 1,337.3 (89.9) | 0.51 |
| 3 (1,033) | 1,005.1 (50.4) | 1,201.1 (80.7) | 0.04 |
| 4 (980) | 852.2 (51.0) | 923.7 (90.3) | 0.49 |
| All (4,080) | 1,169.3 (25.7) | 1,335.8 (47.2) | 0.003 |
a
Adjusted for race/center, gender, BMI, age, smoking, diabetes, hypertension, education, income, plaque, and serum LDL, HDL, and triglycerides.
b
8-Isoprostane effect on IgG significant for both High PD and Low PD groups at p < 0.0001.