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Table 4 Performance of screening tests, in comparison to eGFR among CKD screening participants from Anuradhapura, Sri Lanka

From: Normality data of eGFR and validity of commonly used screening tests for CKD in an area with endemic CKD of unknown etiology; need for age and sex based precise cutoff values

 

eGFR< 60 mL/min/1.73m2

eGFR> 90 mL/min/1.73m2

n

%

n

%

UACR

  > 30

45

35.7

40

6.6

  = < 30

81

64.3

564

93.4

UPCR

  > 150

75

59.5

137

22.7

  = < 150

51

40.5

467

77.3

Urine salicylic acid

 Trace or above

62

49.2

120

19.9

 Negative

64

50.8

484

80.1

Urine dip sticka

 Trace or above

25

25.5

25

6.3

 Negative

73

74.5

373

93.7

  1. eGFR estimated glomerular filtration rate, CKD Chronic kidney disease, UACR Urine albumin creatinine ratio, UPCR Urine protein creatinine ratio. afor 230 patients, urine dip stick results were not available