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Table 1 Demographics and Clinical Parameters of all Patients

From: Salivary microbiome in patients undergoing hemodialysis and its associations with the duration of the dialysis

Characteristics Groups P value
Healthy Controls (N = 100) HD patients (N = 108)
Age [years] (Mean ± SD) 46.78 ± 14.88 46.19 ± 13.33 0.852
Male/Female 62/46 50/50 0.284
BMI [kg/m2] (Mean ± SD) 21.24 ± 3.23 (17.21–31.45) 22.44 ± 3.65 (16.22–36.33) 0.074
Length of HD therapy (Mean ± SD) 3.81 ± 2.87
CPI    0.000
0 8 (8.0%) 0 (0.0%) 0.015
1 23 (23.0%) 1 (0.9%) 0.000
2 39 (39.0%) 11 (10.2%) 0.000
3 27 (27.0%) 45 (41.7%) 0.019
4 3 (3.0%) 51 (47.2%) 0.000
X 0 (0.0%) 0 (0.0%)
Number of teeth (Mean ± SD) 27.50 ± 2.1 26.90 ± 2.40 0.025
Number of Decayed teeth (Mean, range) 0.62, 0–3 0.85, 0–5 0.579
Number of Missing teeth (Mean, range) 0.49, 0–5 1.08, 0–15 0.013
Number of Filled teeth (Mean, range) 0.51, 0–5 0.41, 0–4 0.684
  1. “-” = vacancy
  2. CPI: The data are presented as n (%).The categories of CPI were defined as: 0 = healthy gingiva; 1 = bleeding observed directly or by using a mouth mirror after probing; 2 = calculus detected during probing but with all of the black bands on the probe visible; 3 = pocket of 4 to 5 mm (gingival margin within the black band on the probe); 4 = pocket of 6 mm (black band on the probe was not visible); X = excluded sextant (< 2 teeth present)