Table 5 Intergroup comparisons of participants stratified by %FEV₁ (n = 773)

Periodontal parameters

 Number of teeth

27.3 (3.8)

25.3 (5.8)

 < 0.001^†

 PPD (mm)

2.7 (0.5)

2.9 (0.6)

 < 0.001^†

 BOP sites / mouth

18.5 (21.0)

18.4 (22.1)

0.931^†

 PESA (mm²)

1412.7 (293.1)

1393.2 (412.5)

0.618^†

 PISA (mm²)

203.7 (260.9)

230.5 (345.4)

0.569^†

 Health examination

 Age

46.7 (8.9)

54.1 (9.4)

 < 0.001^¶

 Weight (kg)

68.1 (12.0)

68.8 (11.0)

0.408^†

 BMI (kg/m²)

23.6 (3.5)

23.8 (3.0)

0.280^¶

 Triglyceride (mg/dL)

123.3 (89.0)

128.5 (100.4)

 LDL (mg/dL)

120.5 (28.5)

120.9 (30.4)

0.893^¶

 HDL (mg/dL)

60.7 (16.3)

59.6 (15.4)

0.333^¶

 FBG (mg/dL)

100.9 (8.8)

109.6 (19.7)

 < 0.001^†

 HbA1c (%)

5.38 (0.18)

5.78 (0.73)

 < 0.001^†

 % FEV₁

84.1 (3.4)

74.0 (4.8)

 < 0.001^†

 CAVI

7.6 (0.9)

8.1 (0.9)

 < 0.001^¶

Smoking (n, (%))

 < 0.001^§

 Never

160 (46.5)

180 (32.8)

 Former

93 (27.0)

202 (36.9)

 Current

91 (26.5)

166 (30.3)

Occlusal function (Total n = 585)

 n

218

367

 Bite force (N)

432.3 (241.2)

373.8 (238.1)

0.001^¶