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Table 1 Patient characteristics, risk factors and medical history at time of kidney biopsy

From: Norwegian kidney biopsy biobank (NorKiBB): organization, baseline characteristics, and generalizability of a low-cost national biobank

 

Female

Male

Total

N

249

384

633

Age (years)

52.7 (18.4)

52.5 (18.9)

52.6 (18.7)

BMI (kg/m2)

26.5 (5.8)

28.1 (10.3)

27.4 (8.9)

General health (1, bad; 4, excellent)

2.7 (0.9)

2.7 (0.8)

2.7 (0.8)

Ever-smoking

104 (42%)

190 (49%)

294 (46%)

Hypertension

191 (77%)

334 (88%)

525 (83%)

 Duration of HT (years)

7.2 (8.7)

8.0 (8.4)

7.7 (8.5)

 Number of anti-hypertensive drugs

1.2 (1.2)

1.6 (1.4)

1.5 (1.3)

 Systolic BP (mmHg)

129.9 (18.3)

135.3 (15.3)

133.2 (16.8)

 Diastolic BP (mmHg)

76.8 (9.2)

79.6 (9.4)

78.5 (9.4)

ACEi/ARB (%)

107 (41%)

205 (52%)

312 (48%)

Diabetes (%)

26 (10%)

74 (19%)

100 (16%)

 Diabetes duration (years)

13.7 (10.8)

15.6 (11.2)

15.1 (11.1)

 DM-complications (%)

9 (35%)

41 (55%)

50 (50%)

CVD (%)

35 (14%)

108 (28%)

143 (23%)

Autoimmune diseases (%)

58 (22%)

79 (20%)

137 (21%)

Chronic infections (%)

5 (2%)

11 (3%)

16 (2%)

Chronic liver disease (%)

11 (4%)

5 (2%)

16 (2%)

Chronic obstructive lung disease (%)

22 (8%)

23 (6%)

45 (7%)

History of cancer (%)

33 (13%)

39 (10%)

72 (11%)

  1. Note: Continuous variables are given as mean (1 standard deviation). Categorical variables are given as number of patients with the reported variable (percentage of all patients with info on the variable). General health is self-reported categories of bad (1), not so good, good, or excellent (4); hypertension is > 140/90 or treated; HT duration and number of anti-hypertensive drugs are among those with HT; DM duration and complications are among those with DM; DM-complications are physician-reported non-kidney complications like retinopathy, neuropathy, or amputations; CVD is self-reported myocardial infarction, angina pectoris, revascularization, or cerebral stroke; autoimmune diseases are self-reported SLE, ANCA vasculitis, Henoch Schonlein purpura, other vasculitides, other autoimmune disease; cancer does not include non-melanoma skin cancer