Table 5 Interproximal percent gingival bleeding sites at Baseline, Weeks 4 and 12
Group | B | BA | BZ | BF | BFZ |
|---|---|---|---|---|---|
Baseline | |||||
n | 53 | 51 | 52 | 50 | 52 |
Mean | 25.0 | 24.6 | 29.0 | 26.7 | 24.9 |
(SD) | 12.03 | 12.66 | 13.20 | 10.77 | 11.31 |
Week 4 | |||||
N | 53 | 51 | 52 | 50 | 52 |
LSmean (SE) | 18.4 (0.78) | 5.2 (0.80) | 5.5 (0.79) | 12.1 (0.80) | 4.1 (0.79) |
Treatment groups versus B | |||||
p-value | < 0.001 | < 0.001 | < 0.001 | < 0.001 | |
Difference (SE) | -13.1 (1.11) | -12.8 (1.11) | -6.3 (1.12) | -14.3 (1.11) | |
95% CI | [-15.3, -10.9] | [-15.0, -10.6] | [-8.5, -4.1] | [-16.5, -12.1] | |
% reduction | 71.6 | 69.8 | 34.1 | 77.9 | |
Brush/Rinse groups versus BF Superiority | |||||
p-value Difference (SE) 95% CI % reduction | < 0.001 -6.9 (1.13) [-9.1, -4.7] 56.8 | < 0.001 -6.5 (1.12) [-8.8, -4.3] 54.1 | |||
BFZ versus BF Superiority | |||||
p-value Difference (SE) 95% CI % reduction | < 0.001 -8.0 (1.12) [-10.2, -5.8] 66.5 | ||||
BFZ Rinse group versus BZ | |||||
p-value Difference (SE) 95% CI % reduction | 0.184 -1.5 (1.12) [-3.7, 0.7] 26.9 | ||||
Week 12 | |||||
n | 52 | 50 | 52 | 50 | 50 |
LSmean (SE) | 20.2 (0.97) | 6.6 (0.99) | 5.7 (0.97) | 15.1 (0.99) | 4.4 (0.99) |
Treatment groups versus B | |||||
p-value* | < 0.001 | < 0.001 | < 0.001 | < 0.001 | |
Difference (SE) | -13.5 (1.38) | -14.4 (1.38) | -5.1 (1.38) | -15.8 (1.38) | |
95% CI | [-16.2, -10.8] | [-17.1, -11.7] | [-7.8, -2.4] | [-18.5, -13.1] | |
% reduction | 67.0 | 71.5 | 25.2 | 78.4 | |
Brush/Rinse groups versus BF Superiority | |||||
p-value Difference (SE) 95% CI % reduction | < 0.001 -8.4 (1.40) [-11.2, -5.7] 55.9 | < 0.001 -9.3 (1.39) [-12.1, -6.6] 61.9 | |||
BFZ versus BF Superiority | |||||
p-value Difference (SE) 97.5% CI % reduction | < 0.001 -10.7 (1.40) [-13.5, -8.0] 71.0 | ||||
BFZ versus BZ Superiority | |||||
p-value Difference (SE) 95% CI % reduction | 0.321 -1.4 (1.39) [-4.1, 1.4] 24.1 |