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Table 1 Demographic and clinical characteristics of participants according to the presence or absence of hematuria at baseline

From: Hematuria as a risk factor for progression of chronic kidney disease and death: findings from the Chronic Renal Insufficiency Cohort (CRIC) Study

 

Dipstick Positive 1145 (35)

Dipstick Negative 2127 (65)

Total 3272 (100)

Demography

 Age (years; mean +/− SD)

55 +/− 12

59+/− 10

57+/− 11

 Female Sex (n [%])

470 (41)

935 (44)

1405 (43)

 Racial/ethnic group (n [%])

  Non-Hispanic White

365 (32)

940 (44)

1305 (40)

  Non-Hispanic Black/African American

489 (43)

930 (44)

1419 (43)

  Hispanic

254 (22)

204 (10)

458 (14)

  Other

37 (3)

53 (2)

90 (3)

 ApoL1 recessive genetic model (n [%])a

  0 or 1 copy of APOL1 risk variants

350 (81)

665 (79)

1015 (80)

  2 copies of APOL1 risk variants

80 (19)

176 (21)

256 (20)

 Educational attainment (n [%])

  Less than high school

346 (30)

430 (20)

776 (24)

  High school graduate

239 (21)

426 (20)

665 (20)

  Some college

319 (28)

607 (29)

926 (28)

  College graduate or higher

241 (21)

664 (31)

905 (28)

Anthropometry

 BMI (kg/m2; mean +/-SD)

32+/−8

32+/− 8

32+/− 8

 BMI (kg/m2; n [%])

   

   < 25

207 (18)

282 (13)

489 (15)

  25 to < 30

302 (26)

625 (29)

927 (28)

   > =30

633 (55)

1215 (57)

1848 (57)

 Abdominal Circumference (cm; mean +/-SD)

105+/− 18

106+/− 17

106+/− 18

 Fat free mass [kg; median (IQR)]

61 (50 to 72)

59 (49 to 70)

60 (50 to 71)

 Ankle-brachial index< 0.9 (n [%])

209 (19)

326 (16)

535 (17)

 Systolic Blood P. (mmHg; mean +/-SD)

134+/− 24

127/− 21

129+/− 22

 Diabetes

638 (56)

1014 (48)

1652 (50)

 Hypertension

1013 (88)

1878 (88)

2891 (88)

 Tobacco use (n [%])

  Current smoker

189 (17)

273 (13)

462 (14)

  More than 100 cigarettes during lifetime

638 (56)

1180 (55)

1818 (56)

 Cancer (n[%])

  Any cancer in the last 5 years

68 (6)

158 (7)

226 (7)

  Any non-skin cancer in the last 5 years

56 (5)

107 (5)

163 (5)

 Cardiovascular Disease (n [%])

  Congestive Heart Failure

111 (10)

229 (11)

340 (10)

  Peripheral Vascular Disease

103 (9)

137 (6)

240 (7)

  Coronary Disease

232 (20)

514 (24)

746 (23)

  Cerebrovascular Disesase

124 (11)

215 (10)

339 (10)

  Any Cardiovascular Disease

385 (34)

753 (35)

1138 (35)

Renal Function

 eGFR (ml/min/1.73 m2; mean +/-SD)

40+/−15

45+/−16

44+/− 16

 eGFR (ml/min/1.73 m2; n[%]) (CRIC Eq.)

  < 30

329 (29)

390 (18)

719 (22)

  30 to < 40

289 (25)

507 (24)

796 (24)

  40 to < 50

239 (21)

480 (23)

719 (22)

  50 to < 60

167 (15)

380 (18)

547 (17)

  > = 60

121 (11)

370 (17)

491 (15)

Urinalysis

 24H Urine Albumin [g; median (IQR)]

0.50 (0.05 to 1.76)

0.04 (0.0 to 0.26)

0.08 (0.01 to 0.61)

 24H Urine Albumin (n[%])

   

  < 30 mg/day

211 (19.54)

951 (46.66)

1162 (37.27)

  30 to < 300 mg/day

260 (24.07)

605 (29.69)

865 (27.74)

  300 to < 1000 mg/day

224 (20.74)

286 (14.03)

510 (16.36)

  > = 1000 mg/day

385 (35.65)

196 (9.62)

581 (18.63)

Other laboratory markers

 Hemoglobin (g/dl; mean+/-SD)

12.3+/−1.9

12.6+/−1.7

12.5+/− 1.8

 CalciumT (mg/dl; mean +/-SD)

9.2+/−0.5

9.2+/−0.5

9.2+/−0.5

 Phosphate (mg/dl; mean +/-SD)

3.9+/− 0.7

3.7+/− 0.6

3.7+/− 0.7

 iPTH [pg/ml; median (IQR)]

63 (38 to 107)

52 (34 to 85)

56 (36 to 92)

 FGF23 [RU/ml; median (IQR)]

175 (105 to 284)

141 (95 to 224)

150 (99 to 249)

 Vitamin D [ng/ml; median (IQR)]

17.6 (10.8 to 27.2)

22.9 (14.5 to 34)

20.8 (12.8 to 31.7)

 Glucose [mg/dl; median (IQR)]

100 (87 to 133)

98 (87 to 123)

98 (87 to 127)

 HbA1C [%; median (IQR)]

6.4 (5.6 to 7.9)

6.1 (5.6 to 7.2)

6.2 (5.6 to 7.4)

 HOMAb[mmol/L*μU/mL; median (IQR)]

4.5 (2.7 to 8.0)

4.1 (2.5 to 7.2)

4.2 (2.6 to 7.5)

 Total Cholesterol (mg/dl; mean+/-SD)

191+/−53

179+/−42

183/−46

 HDL (mg/dl; mean+/-SD)

46+/−15

47+/−15

47+/−15

 LDL (mg/dl; mean+/-SD)

107+/−39

100+/−34

102+/−36

 Triglycerides [mg/dl; median (IQR)]

138 (94 to 198)

127 (88 to 183)

130 (91 to 189)

 Albumin [g/dl; median (IQR)]

3.8 (3.4 to 4.1)

4.0 (3.7 to 4.3)

3.9 (3.6 to 4.2)

 Uric Acid (mg/dl; mean+/-SD)

7.5+/−1.9

7.5+/−1.9

7.5+/−1.9

 High sensitivity CRP [mg/l; median (IQR)]

2.8 (1.1 to 6.7)

2.6 (1.1 to 6.6)

2.6 (1.1 to 6.6)

 High sens.Troponin T [pg/mL; median (IQR)]

15.7 (7.3 to 34.3)

11.9 (6.0 to 21.6)

12.9 (6.3 to 24.6)

 NTproBNP [pg/mL; median (IQR)]

204 (81 to 588)

142 (58 to 370)

162 (66 to 439)

Medication (n [%])

 ACE/ARB

786 (69.3)

1492 (70.7)

2278 (70.2)

 Any anti-platelet agent

458 (40.4)

1038 (49.2)

1496 (46.1)

 cAMP and Ca modifiers

83 (7.3)

173 (8.2)

256 (7.9)

 Cox-1-inhibitor

425 (37.5)

968 (45.9)

1393 (42.9)

 Eicosapentaenoic acid

0 (0)

2 (0.09)

2 (0.06)

 Heparin

3 (0.26)

0 (0)

3 (0.09)

 Vitamin K antagonist

84 (7)

113 (5)

197 (6)

  1. aApol1 recessive genetic model described among a sample of 1271 non-Hispanic black participants. bHOMA: Insulin Resistance Index