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Table 3 Comparison of eGFR equations, the mean age of participants, number of female participants, and prevalence of risk factors and laboratory methods

From: The prevalence of chronic kidney disease in South Africa - limitations of studies comparing prevalence with sub-Saharan Africa, Africa, and globally

Author

Region

Mean age of participants (Years)

Female

Participants

(Percentage)

Prevalence of Hypertension

Prevalence of Diabetes

Prevalence of HIV

KDIGO

CKD

criteria

Test for chronicity > 3 months

Serum creatinine measurement: enzyme or Jaffe

eGFR equations studied

Ethnicity co-efficient used

Matsha et al. [19]

South Africa

52.9 ± 14.8

75.3

33.0

26.0

Not

mentioned

No

No

Enzyme

CKD-EPI

MDRD

Cockcroft-Gault

Measured with and without ethnic co-efficient

Adeniyi et al. [20]

South Africa

46.3 ±8.5

70.3

55.2

20.7

Not

mentioned

No

No

Enzyme

CKD-EPI

MDRD

No

George et al. [8]

Sub-Saharan Africa

49.9 ±5.8

49.2

32.6

5.6

15.9

Yes

No

Enzyme

CKD-EPI

MDRD

Measured with and without ethnic co-efficient

Stanifer et al. [22]

Sub-Saharan Africa

41.5 ± 4.1

57.5

16.8

17.1

11.9

No

No

Not

mentioned

MDRD

Cockcroft-Gault

No

Kaze et al. [12]

Africa

43.0 ± 6.2

Not

mentioned

35.6

13.3

17.9

No

No

Not

mentioned

CKD-EPI

MDRD

Cockcroft-Gault

Cystatin C

No

Abd ElHafeez et al. [11]

Africa

52.8 ±11.7

64.3

34.4

24.7

5.6

No

No

Enzyme and Jaffe

CKD-EPI

MDRD

Cockcroft-Gault

No

Hill et al. [4]

Global

49.0 ± 8.5

55.0

40.1

15.1

Not

mentioned

No

No

Enzyme and Jaffe

CKD-EPI

MDRD

No

Bikbov et al. [2]

Global

Not studied

Not

mentioned

43.2

57.6

Not

mentioned

Modelled

No

Not

mentioned

CKD-EPI

MDRD

No