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Table 3 Specific drugs with drug dose adjustment disagreement between CG and MDRD formula among patients with chronic kidney disease in renal clinic of St. Paul’s Hospital Millennium Medical College, Addis Ababa, Ethiopia between July – September, 2016 (n = 17)

From: Concordance between modification of diet in renal disease, chronic kidney disease epidemiology collaboration and Cockcroft-Gault equations in patients with chronic kidney disease at St. Paul’s hospital millennium medical college, Addis Ababa, Ethiopia

Drug

Dosing guideline according to Up to date version 21.2

CG (ml/min)

MDRD (ml/min/1.73m2)

eCr Cl

Dose

Dose recommendation

eGFR

dose

Dose recommendation

Pyrazinamide 1200 mg tablet orally every 24 h

CrCl < 30 ml/min; 25–35 mg/kg three times per week

27

too high

Decrease

34

Normal

No change

Glyburide 2.5 mg tablet orally every 24 h

CrCl < 50 ml/min; contraindicated

31

CI

D/C

72

Normal

No change

36

CI

D/C

67

Normal

No change

Metformin 500 mg tablet orally every 12 h

CrCl < 60 ml/min; Contraindicated(CI)

43

CI

D/C

72

Normal

No change

59

CI

D/C

77

Normal

No change

58

CI

D/C

62

Normal

No change

55

CI

D/C

73

Normal

No change

58

CI

D/C

77

Normal

No change

Metformin 500 mg tablet orally every 24 h

39

CI

D/C

69

Normal

No change

Trimethoprim-sulfamethoxazole 960 mg tablet orally every 24 h

CrCl 15–30 ml/min: 50% of recommended dose;CrCl < 15 ml/min:contraindicated

13

CI

D/C

18

too high

decrease by half

21

too high

decrease by half

38

Normal

No change

36

Normal

No change

30

too high

decrease by half

Trimethoprim-sulfamethoxazole 480 mg tablet orally every 24 h

24

Normal

No change

32

too low

double it

Ciprofloxacin 500 mg orally every 12 h

CrCl 30–50 ml/min: 250–500 mg orally every 12 h; CrCl 5–29 ml/min: contraindicated

20

too high

decrease interval to every 12 h

31

Normal

No change

28

too high

decrease interval to every 12 h

31

Normal

No change

Atenolol 50 mg tablet orally every 24 h

CrCl 15–35 ml/min/1.73m2: maximum dose 50 mg every 24 h; CrCl <15 ml/min/1.73m2: maximum dose 25 mg every 24 h

15

Normal

No change

14

too high

decrease by half

14

too high

decrease by half

19

Normal

No change

  1. CI: contraindicated; D/C: discontinue; hrs: hours