Table 5.
Mean (SD) levels of risk factors and other characteristics according to H pylori seropositivity in cases and controls
| Cases
|
Controls
|
Mean (SE) difference between seropositive and seronegative ‡ | ||||
|---|---|---|---|---|---|---|
| Seropositive (n=709) |
Seronegative (n=851) | Seropositive (n=501) | Seronegative (n=1086) | |||
| Total cholesterol (mmol/l) | 5.90 (1.20) | 5.88 (1.18) | 5.62 (0.99) | 5.39 (1.03) | 0.070 (0.042) | |
| Apolipoprotein A1 (g/l) | 1.13 (0.20) | 1.14 (0.21) | 1.21 (0.19) | 1.19 (0.19) | −0.005 (0.007) | |
| Apolipoprotein B (g/l) | 1.20 (0.29) | 1.19 (0.30) | 1.07 (0.23) | 1.02 (0.24) | 0.020 (0.010) | |
| Fibrinogen (g/l)* | 3.55 (0.79) | 3.50 (0.79) | 3.18 (0.63) | 3.06 (0.62) | 0.030 (0.033) | |
| Log10 C reactive protein (mg/l)† | 2.34 (0.49) | 2.29 (0.50) | 2.00 (0.32) | 1.99 (0.34) | 0.027 (0.034) | |
| Albumin (g/l) | 38.2 (3.70) | 38.8 (3.57) | 40.2 (3.1) | 40.8 (3.4) | −0.22 (0.13) | |
| Units of alcohol/week in drinkers | 26 (26) | 26 (26) | 22 (22) | 21 (20) | 2.0 (1.1) | |
*
Measurements were available for only 1050 cases and 1049 controls. †Measurements were available for only 384 cases and 384 controls.
‡
Mean (SE) among seropositive minus mean among seronegative adjusted by multiple regression for age, sex, and case or control status.