Table 1.

Characteristics of patients recommended or not recommended for kidney biopsy at Kandy Teaching Hospital in 2016–2017

Selected CharacteristicsBiopsy Recommended, n=120Biopsy Not Recommended, n=480
Age45 (12)a57 (12)
Women31 (26)122 (25)
Systolic BP, mm Hg128 (21)131 (20)
Diastolic BP, mm Hg80 (9)81 (10.4)
Hypertensionb54 (45)c300 (63)
 Physician diagnosed27 (50)149 (50)
Diabetesb20 (17)c157 (33)
 Physician diagnosed17 (85)114 (73)
Serum creatinine, mg/dl1.9 (1.4)2.1 (1.5)
 eGFR, ml/min per 1.73 m254 (29)c44 (25)
 Missing15 (3)
Serum albumin, g/dl3.9 (0.9)a4.4 (0.6)
 Low serum albumind27 (23)15 (3)
 Missing19 (16)209 (44)
Hematuriae21 (18)c41 (9)
 Missing2 (2)54 (11)
Pyuriae50 (42)c116 (24)
 Missing2 (2)54 (11)
Urine dipstick protein negative66 (55)281 (59)
 Missing2 (2)53 (11)
Small kidneyf22 (18)a247 (52)
 Missing20 (17)153 (32)
  • Numbers are mean (SD) or N (%).

  • a P<0.001.

  • b Patients without physician-diagnosed hypertension had either a clinic measurement of systolic BP ≥140 mm Hg or diastolic BP ≥90 mm Hg or self-reported hypertension. Participants without physician-diagnosed diabetes self-reported diabetes.

  • c P<0.05.

  • d Serum albumin <3.5 g/dl.

  • e Hematuria was defined as more than three urine red blood cells per high power field. Pyuria was defined as more than three urine white blood cells per high power field. Urine dipstick protein trace or nil was categorized as negative.

  • f A participant was categorized as having a small kidney if one kidney was <9 cm.