From: Dental and periodontal status of 12-year-old Bulang children in China
All | Boys | Girls | P value | |
---|---|---|---|---|
No. (%) of children | ||||
Highest CPI = 0 | 257 (29%) | 111 (25%) | 146 (34%) | 0.007 |
Highest CPI = 1 | 111 (13%) | 48 (11%) | 63 (15%) | 0.112 |
Highest CPI = 2 | 505 (58%) | 280 (64%) | 225 (52%) | <0.001 |
Mean (SD) number of sextants: | ||||
Healthy (CPI = 0) | 4.6 (1.3) | 4.4 (1.3) | 4.7 (1.2) | <0.001 |
Bleeding only (CPI = 1) | 0.3 (0.6) | 0.4 (0.7) | 0.3 (0.6) | 0.318 |
With calculus (CPI = 2) | 1.1 (1.2) | 1.2 (1.2) | 1.0 (1.1) | 0.001 |