Table 4 Gingival bleeding and dental calculus of the 103 children
From: Oral health status among visually impaired schoolchildren in Northeast China
Variables | N | Number of children with gingival bleeding | % | Number of children with dental calculus | % | |
|---|---|---|---|---|---|---|
Gender | M | 70 | 33 | 47.14 | 47 | 67.14 |
F | 33 | 13 | 39.39 | 23 | 69.7 | |
Age (years) | 6–12 | 25 | 9 | 36.00 | 13 | 52.00* |
13-20 | 78 | 37 | 47.44 | 57 | 73.08 | |
Status of visual impairment | Low vision | 37 | 16 | 43.24 | 30 | 81.08 |
Blind | 66 | 30 | 45.45 | 40 | 60.61 | |
Total | 103 | 46 | 44.66 | 70 | 67.96 | |