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. 2022 Aug 25;15(12):2312–2321. doi: 10.1093/ckj/sfac188

Table 1:

The baseline characteristics of the study population.

Characteristics Total
Population, N 23 438
Age (years) 43.8 (16.19)
Age group (years), n (%)
 <40 10 054 (42.9)
 40–64 10 563 (45.1)
 >64 2821 (12.0)
Female, n (%) 12 535 (53.5)
eGFR (CKD-EPI; ml/min/1.73 m2) 99.45 (19.47)
eGFR category, n (%)
 >90 16 063 (68.5)
 60–89 6895 (29.4)
 30–59 457 (1.9)
 15–29 18 (0.1)
 <15 5 (0.0)
CVD risk factors, n (%)
 Diabetes 1049 (4.5)
 Hypertension 5588 (23.8)
 BMI >25 7379 (31.8)
 Dyslipidaemia 11 475 (49.4)
CKD-related symptoms, n (%)
 Hyperphosphataemia 529 (2.3)
 Hypocalcaemia 545 (2.3)
 Anaemia 1242 (6.2)
 Hyperuricaemia 2836 (12.1)

Values presented as mean (SD) unless stated otherwise.

Diabetes was defined as FBG ≥7.0 mmol/l or currently on anti-diabetes medication. Hypertension was defined as an average SBP ≥140 mmHg, DBP ≥90 mmHg or currently on antihypertensive medication. Dyslipidaemia was defined as at least one of the following: TC ≥5.2 mmol/l, TG ≥1.7 mmol/l, HDL-C <1.0 mmol/l, LDL-C ≥3.4 mmol/l or currently on lipid-lowering medication. Hyperuricaemia was serum UA ≥420 μmol/l for males and UA ≥360 μmol/l for females. Anaemia was haemoglobin <136 g/l for males and <119 g/l for females. Hyperphosphataemia was defined as serum phosphate >1.53 mmol/l. Hypocalcaemia was defined as serum calcium <2.13 mmol/l.