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. 2021 Dec 15;21:644. doi: 10.1186/s12903-021-01990-6

Table 5.

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

Variables Mild
n = 309 (40.0%)
Moderate
n = 464 (60.0%)
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

Data are shown as means ± SD. Mann Whitney U tests. Smoking data are shown as n (%). §Pearson’s chi-squared tests