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. 2021 Jun 22;80(11):1483–1490. doi: 10.1136/annrheumdis-2021-220439

Table 1.

Subject characteristics

Analysis population, n=19 261
Age, years
 Mean±SD 43.2±9.4
 n (%)
 18–19 33 (0.2)
 20–29 1572 (8.2)
 30–39 4932 (25.6)
 40–49 7593 (39.4)
 50–59 4421 (23.0)
 60–69 681 (3.5)
 ≥70 29 (0.2)
Sex, n (%)
 Male 18 924 (98.3)
 Female 337 (1.7)
eGFR, mL/min/1.73 m2*
 Mean±SD 75.59±14.15
 n (%)
 ≥90 2736 (14.2)
 ≥60,<90 14 339 (74.4)
 ≥30,<60 2150 (11.2)
 ≥15,<30 22 (0.1)
 <15 14 (<0.1)
 ≥60 17 075 (88.7)
 <60 2186 (11.3)
sUA, mg/dL
 Mean±SD 8.47±0.53
 n (%)
 <8 0
 ≥8,<9 16 549 (85.9)
 ≥9,<10 2321 (12.1)
 ≥10 391 (2.0)
Comorbidities of interest, n (%)
 Hypertension 2591 (13.5)
 Type 2 diabetes 983 (5.1)
 Ischaemic heart disease 356 (1.8)
 Heart failure 295 (1.5)
 Cerebrovascular disease 271 (1.4)
 Hyperlipidaemia 2212 (11.5)
Number of comorbidities, n (%)
 0 13 796 (71.6)
 1 3380 (17.5)
 2 1214 (6.3)
 3 532 (2.8)
 4 228 (1.2)
 5 90 (0.5)
 6 19 (<0.1)
 7 2 (<0.1)
Concomitant medications, n (%)
 Antihyperlipidaemic drug 1315 (6.8)
 ACE inhibitor 138 (0.7)
 ARB 1712 (8.9)
 Diuretic drug 385 (2.0)
 Antidiabetic drug 407 (2.1)

*eGFR (male)=194 × sCr−1.094 × age−0.287, eGFR (female)=194 × sCr−1.094 × age−0.287 × 0.739.

ACE, angiotensin-converting enzyme; ARB, angiotensin II receptor blocker; eGFR, estimated glomerular filtration rate; sUA, serum uric acid levels.