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Table 1 Patients’ sociodemographic, vital, lifestyle and clinical characteristics

From: Periodontal inflamed surface area in patients on haemodialysis and peritoneal dialysis: a Croatian cross-sectional study

HD (n = 58)PD (n = 31)
Age (years), median (IQR)65(59–76)49(39–60)
Smoking of tobacco
 Current smoker5(8.9)4(15.4)
Alcohol consumption8(14.8)8(29.6)
Body mass index (kg/m2), median (IQR)25(22–29)26(22–28)
Diabetes mellitus24(41.4)8(26.7)
 Duration of diabetes mellitus, median (IQR)11(7–16)12(9–23)
 HbA1c, median (IQR)6.2(5.9–6.7)6.1(5.8–6.9)
Arterial hypertension48(82.8)30(100.0)
Duration of dialysis (months); median (IQR)36(13–73)12(8–27)
Dry mouth
Number of tooth-brushing episodes daily
 Do not brush3(5.4)0(0.0)
 ≥ 39(16.1)4(14.8)
Usage of an interdental brush/floss15(26.8)8(29.6)
The last visit to the dentist
 within the last year31(60.8)18(72.0)
 2–3 years ago13(25.5)5(20.0)
 ≥ 4 years ago7(13.7)2(8.0)
Bleeding gums5(8.9)7(26.9)
Number of teeth, median (IQR)16(9–20)23(17–28
Antihypertensive therapy
 Angiotensin-converting enzyme inhibitors17(30.4)3(13.0)
 Calcium channel blockers27(48.2)11(47.8)
 Angiotensin II AT1-receptor blockers10(17.9)1(4.8)
 Central α-2 receptor agents10(17.9)11(47.8)
 α1-adrenoceptor antagonists22(39.3)3(13.0)
Antiplatelet therapy13(23.2)5(21.7)
Immunosuppressive therapy2(3.6)1(7.7)
  1. Data are presented as the number (percentage) of participants if not stated otherwise
  2. Data were missing for education in 8 (9.0%), smoking in 7 (7.9%), alcohol in 8 (9.0%), diabetes mellitus in 1 (1.1%), arterial hypertension in 1 (1.1%), body mass index in 12 (13.5%), duration of dialysis in 2 (2.2%), dry mouth in 6 (6.7%), number of tooth-brushing episodes daily in 6 (6.7%), usage of an interdental brush/floss in 6 (6.7%), the last visit to the dentist in 13 (14.6%), and bleeding gums in 7 (7.9%) participants
  3. Abbreviations: IQR Interquartile range, HbA1c Glycated haemoglobin