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Table 1 Characteristics at baseline for patients with impaired renal function receiving renal biopsy or not

From: Effects of receiving renal biopsy on the prognosis of chronic kidney disease patients with impaired renal function

Characteristics

Group

P-value

Total

(n = 300)

Renal biopsy

(n = 150)

Non-Renal biopsy

(n = 150)

Age (years)

53.0(40.3, 62.0)

52.5(38.0, 60.0)

55.0(42.0, 64.0)

0.090

Male, n (%)

184 (61.3%)

89(59.3%)

95 (63.3%)

0.477

Preoperative medical condition, n (%)

Diabetes mellitus

50(16.7%)

21(14.0%)

29(19.3%)

0.215

Hypertension

182(60.7%)

88 (58.7%)

94(62.7%)

0.478

Follow-up time (months)

37.6(21.9, 51.8)

41.1(12.78, 54.48)

36.2(24.3, 50.7)

0.951

Serum creatinine (umol/L)

120.0(103.9, 147.0)

124.2(104.0, 160.1)

116.0(103.4, 142.1)

0.102

Haemoglobin (g/L)

132.2 ± 20.4

129.8 ± 15.6

134.7 ± 24.2

0.098

Serum albumin (g/L)

41.0(38.5,43.7)

40.1(38.5, 42.8)

42.4(37.8, 44.7)

0.100

24 h UPE (g/d)

0.94(0.30, 1.99)

1.04(0.36, 2.09)

0.59(0.17, 1.87)

0.083

Hematuria

   

0.105

No

158

72

86

 

Yes

142

78

64

 

eGFR (ml/min/1.73m2)※

53.8 ± 15.9

52.2 ± 14.4

55.3 ± 17.1

0.100

  1. Data were given as means ± standard deviations or median [25th, 75th ] for continuous features, cases (percentage) for categorical variables
  2. ※The estimated glomerular filtration rate as calculated by the Modification of Diet in Renal Disease equation
  3. P value: comparation between renal biopsy and non-renal biopsy group. UPE, urine protein excretion; eGFR, estimated glomerular filtration rate