Table 1.

Characteristics assessed by pathology report of 399 participants with diabetes who underwent kidney biopsy in the Pacific Northwest, including a subset of 79 with more extensive clinical data charted

Sample PopulationCohort of N=399 PatientsSubset of N=79 Patients
No. with DataMean (SD) or N (%)aNo. with DataMean (SD) or N (%)a
Demographics
 Age, yr, mean (SD)39857.6 (13.1)7853.6 (12.4)
 Men398230 (58)7853 (68)
Race/ethnicity
 White13071 (55)7038 (54)
 Black13018 (14)7010 (14)
 Asian13023 (18)7010 (14)
 Native American/Pacific Islander1308 (6)705 (7)
 Hispanic13010 (8)707 (10)
Medical history
 AKI39998 (25)7926 (33)
 Rapid decline in eGFR39991 (23)7923 (29)
 SLE3997 (2)794 (5)
 Organ transplant39912 (3)796 (8)
Diagnostic results
 Proteinuria399312 (78)7959 (75)
  Nephrotic range399196 (49)7941 (52)
 Hematuria39980 (20)7920 (25)
 Abnormal serology39978 (20)7918 (23)
 Monoclonal gammopathy39933 (8)7911 (14)
 HCV antibody39933 (8)7916 (20)
Laboratory values
 Serum creatinine, mg/dl3023.0 (2.5)772.9 (2.1)
 eGFR, ml/min per 1.73 m230135.7 (28.2)7638.7 (29.3)
 Proteinuria, g/da2236.2 (5.1)675.7 (5.0)
 HbA1c, %727.9 (2.5)597.8 (2.2)
Biopsy characteristics
 Biopsy size (LM)3951.3 (0.4)791.2 (0.4)
 No. of glomeruli39918.7 (10.4)7920.2 (11.0)
  • HCV, Hepatitis C virus; HbA1c, hemoglobin A1c; LM, light microscopy.

  • a Proteinuria from spot specimens was assumed to be equivalent to grams per day.