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Table 1 Summary of the study population characteristics (n = 25) at baseline and recall (12 weeks post-therapy)

From: Reduced platelet hyper-reactivity and platelet-leukocyte aggregation after periodontal therapy

  Baseline Recall P-value
Age 44.7 ± 9.3 - -
Gender (male/female) 11/14 - -
Ethnicity (Caucasian/non-Caucasian) 21/4 - -
Smoking (current/former/never) 14/5/6 8/11/6 -
Packyears 16.5 ± 13.8 - -
BMI (kg/m2) 25.0 ± 5.1 25.3 ± 5.2 NS
Waist circumference (cm) 95.6 ± 17.2 94.8 ± 16.9 NS
Blood pressure (mm Hg)
Systolic 124.8 ± 19.4 127.2 ± 16.1 NS
Diastolic 76.1 ± 13.4 77.2 ± 11.9 NS
Total cholesterol (mmol/L) 5.2 ± 0.8 4.9 ± 0.9 NS
HDL (mmol/L) 1.5 ± 0.4 1.4 ± 0.5 NS
LDL (mmol/L) 3.2 ± 0.8 2.8 ± 0.7 P = 0.03
Triglycerides (mmol/L) 1.2 ± 1.0 1.4 ± 1.1 NS
C-reactive protein (mg/L) 2.1 ± 2.8 2.0 ± 3.9 NS
Fibrinogen (g/L) 2.9 ± 0.6 2.8 ± 0.6 NS
Leukocyte counts (× 109/L) 6.7 ± 2.0 6.6 ± 2.2 NS
Neutrophils 3.9 ± 1.6 3.8 ± 1.9 NS
Lymphocyte counts 2.0 ± 0.6 2.2 ± 1.1 NS
Platelet counts (× 103) 250.4 ± 66.1 246.6 ± 56.6 NS
Number of teeth 27.6 ± 2.6 27.4 ± 2.6 NS
#teeth with > 50% bone loss 4.4 ± 3.1 4.1 ± 3.1 NS
Sites with plaque (%) 74.6 ± 20.0 19.0 ± 13.0 P < 0.001
Sites with bleeding on probing 65.9 ± 15.0 18.7 ± 9.1 P < 0.001
Probing Pocket Depth (mm) 4.0 ± 0.6 2.9 ± 0.4 P < 0.001
Pockets ≥ 5 mm (%) 32.4 ± 14.5 11.7 ± 9.0 P < 0.001
Clinical Attachment Level (mm) 4.3 ± 0.9 3.6 ± 0.8 P < 0.001
  1. Values are presented as means ± standard deviations or number of subjects
  2. BMI (body mass index), HDL (high density lipoproteins), LDL (low density lipoproteins)