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. 2021 Jan 4;16(1):e0244347. doi: 10.1371/journal.pone.0244347

Table 1. Demographic characteristics, laboratory values of all patients, Turkish, and Syrian subgroups.

Parameter All patients (n = 97) Turkish (n = 75) Syrian (n = 22) p
Age, years, mean ± SD 51.6±15.5 52.1±16.1 49.9±13.2 0.568
Female patients (%) 44.3 52 18.2 0.005
Education level (%) 0.060
Illiterate 6.0 4.8 9.5
Literate 15.7 16.1 14.3
Primary school 49.4 53.2 38.1
Secondary school 13.3 14.5 9.5
High school 12 11.3 14.3
University 3.6 - 14.3
Marital status 0.007
Married (%) 56.7 49.3 81.8
BMI, kg/m2, median (IR) 21.8 (19.2–25.0) 21.9 (19.3–25.3) 21.1 (19.1–24.2) 0.435
ESRD etiology (%) 0.905
Diabetes 18.6 20 13.6
Hypertension 32 32 31.8
Glomerulonephritis 7.2 6.7 9.1
Polycystic kidney disease 7.2 8 4.5
Unknown 14.4 12 22.7
Miscellaneous 20.6 21.3 18.2
Diabetes mellitus (%) 21.6 24 13.6 0.299
Hypertension (%) 47.4 48 45.5 0.833
Hemodialysis vintage, years, median (IR) 3.7 (1.8–7.4) 4.0 (1.9–10.4) 2.7 (1.6–5.3) 0.112
Hemoglobin, (g/dl), mean ± SD 10.7±1.6 10.6±1.6 10.8±1.7 0.680
Phosphorus, (mg/dl), mean ± SD 5.5±1.5 5.3±1.5 6.0±1.5 0.085
Albumin, g/dl, median (IR) 3.7 (3.5–3.9) 3.7 (3.5–3.9) 3.8 (3.5–4.1) 0.152
Parathyroid hormone, (ng/L) median (IR) 537.5 (343.7–786.7) 548 (346.7–796.5) 484.5 (309.7–750.0) 0.420
Kt/V, mean ± SD 1.7±.0.2 1.7±0.2 1.6±0.2 0.056
Creatinine, mg/dl, median (IR) 9.1 (6.8–10.4) 9.0 (6.5–10.2) 9.4 (7.4–10.9) 0.180
Charlson comorbidity index, median (IR) 3 (2–5) 4 (2–5) 3 (2–4) 0.171

BMI: body mass index

ESRD: end-stage renal disease

IR: interquartile range

SD: standard deviation