Table 3.
Test Group (n =
31) |
Control Group (n
= 34) |
Treatment Effect |
||||||
---|---|---|---|---|---|---|---|---|
Score | Missing Subjects | Score | Missing Subjects | Differencea (95% CI) | P Value | Odds Ratio (95% CI)a,b | P Value | |
Baseline | 73.9 (18.4) | 0 | 61.8 (20.4) | 0 | ||||
3 mo | −0.7 (36.5) | 2 | 24.3 (32.2) | 4 | ||||
6 mo | −13.3 (39.7) | 1 | 12.8 (39.6) | 2 | ||||
Baseline vs. | ||||||||
3 mo | −74.5 (37.0) | 2 | −39.7 (36.4) | 4 | 31.7 (14.3 to 49.1) | 0.0006 | 6.8 (2.2 to 21.4) | 0.001 |
6 mo | −88.0 (40.8) | 1 | −49.1 (43.8) | 2 | 38.1 (14.9 to 61.3) | 0.0018 | 8.0 (2.3 to 27.2) | 0.001 |
3 and 6 moc | NA | NA | 35.3 (17.0 to 53.6) | 0.0003 | 7.9 (3.1 to 20.3) | <0.0001 |
Data for groups are mean (SD).
NA, not applicable.
Adjusted for baseline values of visual analog scale, age, sex, and plaque.
Odds ratios are for the control group with the test group as reference.
Estimates were additionally adjusted for time point.