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Table 2 Prevalence of CKD among at-risk population by level of health care.

From: High prevalence of undiagnosed chronic kidney disease among at-risk population in Kinshasa, the Democratic Republic of Congo

Stages of CKD/Heath care

(eGFR. ml/min/1.73 m2)

Primary

N = 291 (%)

Secondary

N = 236 (%)

Total

N = 527 (%)

P

1(≥ 90)*

9 (3.1)

13 (5.5)

22 (4.2)

0.25

2 (60 to 89)*

24 (8.3)

8 (3.4)

32 (6.1)

0.03

3a (45 to 59.9)

43 (14.9)

21 (8.9)

64 (12.2)

0.05

3b (30 to 44.9)

23 (8.0)

9 (3.8)

32 (6.1)

0.07

4 (15 to 29.9)

1 (0.3)

9 (3.8)

10 (1.9)

0.007

5 (< 15)

2 (0.7)

28 (11.9)

30 (5.7)

< 0.0001

All stages of CKD

102 (35.3)

88 (37.4)

190 (36.2)

0.68

Proteinuria ≥ 300 mg/day

52 (17.9)

47 (19.9)

99 (18.7)

0.6

  1. Values expressed as numbers and proportions in parentheses or mean ± SD, as appropriate.
  2. Percentages based on responding number or total participant number. For three patients, the sample of serum was not properly handled (missing data).
  3. * 24-hours urinary protein excretion ≥ 300 mg/day. eGFR based on MDRD study.
  4. CKD is defined as either kidney damage (proteinuria ≥ 300 mg/day) and/or kidney function (< 60 ml/min/1.73 m2).
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BMC Nephrology

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