Table 4 Correlation of medical and periodontal findings in controls

Age ≥ 45 years

2.35 ± 3.00 (n = 43)

0.84

33.3 (n = 14/42)

0.41

20.00 ± 8.84 (n = 43)

0.06

Age < 45 years

2.56 ± 2.01 (n = 9)

20.0 (n = 2/10)

25.89 ± 4.73 (n = 9)

HbA1c ≥ 7 %

-

-

-

-

HbA1c < 7 %

2.50 ± 3.05 (n = 52)

38.46 (n = 20/52)

20.20 ± 8.99 (n = 52)

Current smokers

1.67 ± 1.97 (n = 6)

0.13

83.3 (n = 5/6)

0.016

18.67 ± 10.19 (n = 6)

0.48

Former and never smokers

2.48 ± 2.93 (n = 46)

32.6 (n = 15/46)

21.32 ± 8.38 (n = 46)

PI ≥ 1

2.8 ± 2.6 (n = 48)

0.045

87.2 (n = 41/47)

0.008

21.4 ± 8.37 (n = 48)

0.84

PI < 1

0.1 ± 0.1 (n = 4)

40.0 (n = 2/5)

20.5 ± 11.8 (n = 4)