Table 1 General information
| Item | Combined group (n=18) | Root planing group (n=18) | Periodontal curettage group (n=18) | Cleansing group (n=18) | χ2/t | P |
|---|---|---|---|---|---|---|
| Sex (n) | ||||||
| Female/male | 7/11 | 6/12 | 5/12 | 7/12 | 0.12 | 0.729 |
| Age (year, \( \overline{x} \) ±s) | 61.83±7.21 | 61.37±7.45 | 61.95±7.36 | 61.69±7.31 | 0.021 | 0.996 |
| BMI (kg/m2, \( \overline{x} \) ±s) | 24.45±2.13 | 24.32±2.04 | 24.29±1.98 | 24.39±2.28 | 0.032 | 0.874 |
| Course of diabetes (year, \( \overline{x} \) ±s) | 5.09±1.09 | 5.07±1.11 | 5.12±1.23 | 5.17±1.09 | 0.027 | 0.094 |