Table 2.
Comparison of gingival index among the various groups
| GI | Mean±SD | Between groups | ||||||
|---|---|---|---|---|---|---|---|---|
| CG | TG 1 | TG 2 | TG 3 | TG 4 | TG 5 | F | P | |
| Baseline | 254.8±20.1 | 239.0±21.1 | 250.2±38.9 | 245.2±28.6 | 245.0±21.7 | 252.6±18.1 | 1.53 | 0.182 |
| 1 week | 238.1±19.3 | 218.1±26.0 | 200.8±37.7 | 231.8±28.7 | 210.0±21.5 | 223.3±17.8 | 8.39 | <0.001 |
| 1 month | 242.4±17.9 | 197.2±29.6 | 160.6±32.5 | 214.3±30.6 | 184.2±21.6 | 198.6±23.1 | 32.77 | <0.001 |
| 6 months | 247.4±21.6 | 174.9±36.5 | 104.7±23.8 | 192.4±31.1 | 153.1±22.0 | 172.4±30.4 | 83.22 | <0.001 |
| Within group | F=18.48, P<0.001 | F=157.80, P<0.001 | F=555.88, P<0.001 | F=284.71, P<0.001 | F=565.66, P<0.001 | F=189.88, P<0.001 | ||
| Comparison of GI change from baseline among the various groups | ||||||||
| GI | Mean±SD | Between groups | ||||||
| CG | TG 1 | TG 2 | TG 3 | TG 4 | TG 5 | F | P | |
| 1 week | 16.7±7.8 | 20.8±10.8 | 49.4±19.3 | 13.4±7.0 | 35.0±8.7 | 29.3±15.3 | 35.73 | <0.001 |
| 1 month | 12.4±10.8 | 41.7±17.7 | 89.5±22.7 | 30.9±9.5 | 60.8±14.8 | 53.9±21.2 | 74.46 | <0.001 |
| 6 months | 7.4±16.2 | 64.1±26.9 | 145.5±26.6 | 52.8±15.0 | 91.9±17.5 | 80.2±29.2 | 122.33 | <0.001 |
SD: Standard deviation, GI: Gingival index