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Table 1 Descriptive statistics of examined groups and comparison among them. Values are represented such as number and percentage or median and interquartile range (IQR) (1st; 3rd)

From: Association among serum and salivary A. actinomycetemcomitans specific immunoglobulin antibodies and periodontitis

CLINICAL FEATURES Reference Values Healthy Controls
(n = 48)
Periodontitis
(n = 53)
P-value
Male, n. (%)   23 (48) 26 (49) 0.149
Age, mean ± SD   49.4 ± 4.6 50.8 ± 3.2 0.076
Education level
 Primary school, n (%)   16 (33.3) 18 (34) 0.231
 High school, n (%)   17 (35.4) 19 (35.8) 0.335
 College/University, n (%)   15 (31.2) 16 (30.2) 0.089
BMI, Kg/m2, mean ± SD   23.7 ± 2.46 24.1 ± 2.39 0.082
Smoker, n. (%)   3 (6.2) 4 (7.5) 0.119
 Current, n. (%)   1 (2) 2 (3.8) 0.119
 Past, n. (%)   2 (4.1) 2 (3.8)
 Never, n. (%)   45 (93.7) 49 (92.4) 0.204
Glucose, mg/dl 65–110 115.6 (89.5; 123.4) 119.6 (95.2; 133.4) 0.324
HbA1c, mmol/mol up to 40 36.8 (32.3; 38.7) 37.6 (30.1; 47.6) 0.101
Uric acid, mg/dl 1.9–8 2 (1.5; 2.9) 2.3 (1.8; 3.1) 0.145
Albumin, g/L 35–50 38.6 (31.1; 42.4) 39.5 (33.2; 41.4) 0.198
Fibrinogen, mg/dl 150–400 278.5 (223.5; 295.6) 288.7 (253.2; 321.2) 0.047
Apolipoprotein A, mg/dl > 120–140 134.2 (123.5; 132.5) 136.5 (129.3; 143.2) 0.442
Total cholesterol, mg/dl < 200 177.6 (166.4: 184.4) 180.4 (158.4; 198.4) 0.456
HDL-cholesterol, mg/dl < 40–60 48.5 (47.9; 59.4) 53.8 (47.4; 59.7) 0.511
LDL-Cholesterol mg/dl < 100–130 115.8 (109.8; 128.8) 119.8 (108.2; 126.5) 0.532
BUN, mg/dl 7–30 26.7 (24.6; 29.8) 28.7 (25.6; 33.8) 0.210
hs-CRP, mg/dl < 0.8 0.36 (0.28; 0.41) 0.58 (0.37; 0.69) < 0.001
Systolic pressure, mm/hg 110–130 117.4 (111.7; 128.2) 123.6 (117.6; 133.2) 0.359
Diastolic pressure, mm/hg 70–85 81.9 (74.5; 85.6) 83.6 (76.4; 85.8) 0.111
Ferritin, ng/ml 12–300 77.6 (72.4; 83.9) 81.4 (74.5; 86.1) 0.786
Serum antibody levels, EU
A. actinomycetemcomitans IgA   1.37 (0.9–1.8) 1.89 (1.2–2.2) 0.022
A. actinomycetemcomitans IgG   2.18 (1.8–2.1) 2.96 (2.1–3.7) < 0.001
Salivary antibody levels, EU
A. actinomycetemcomitans IgA   1.42 (0.9–1.6) 1.67 (1.4–2.1) 0.019
A. actinomycetemcomitans IgG   1.84 (1.4–2) 2.19 (1.8–2.5) 0.028