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Table 1 Baseline patient characteristics between interventional radiology and nephrology 

From: The evolution of performing a kidney biopsy: a single center experience comparing native and transplant kidney biopsies performed by interventional radiologists and nephrologists

 

Interventional Radiology (n = 324)

Nephrology (n = 122)

p-value

Age (years)

54.74 (16.72)

56.43 (19.47)

0.26

Systolic Blood Pressure (mmHg)

133.82 (18.26)

130.28 (16.54)

0.07

Diastolic Blood Pressure (mmHg)

75.38 (13.69)

72.33 (14.13)

0.09

INR

1.05 (0.16)

0.99 (0.10)

0.0002

PT (sec)

12.16 (1.93)

11.47 (2.92)

 < 0.0001

BUN (mg/dl)

42.44 (26.09)

39.52 (27.07)

0.07

Platelet Count (x1000µl)

240.90 (88.22)

246.53 (83.59)

0.29

GFR (ml/min)

34.68 (25.50)

44.98 (32.80)

0.01

Creatinine (mg/dl)

2.91 (2.64)

3.16 (5.64)

0.04

Hemoglobin (g/dl)

10.70 (2.40)

12.01 (2.37)

 < 0.0001

Hematocrit (%)

32.23 (6.92)

35.49 (6.78)

 < 0.0001

Gendera

  

0.86

 Male

189 (58.33)

70 (57.38)

 

 Female

135 (41.67)

52 (42.62)

 

Racea

  

0.06

 White

287 (88.85)

111 (90.98)

 

 Black

18 (5.57)

1 (0.82)

 

 Other

18 (5.57)

10 (8.20)

 

Days Prior to Procedure Labs Collecteda

  

0.17

 Less than or equal to 2 weeks

268 (83.23)

108 (88.52)

 

 Greater than 2 weeks

54 (16.77)

14 (11.48)

 

Type of Sedationa

  

 < 0.0001

 No Sedation (Local Only)

7 (2.16)

120 (98.36)

 

 Moderate Sedation (Versed, fentanyl, etc.)

311 (95.99)

1 (0.82)

 

 General Anesthesia

6 (1.85)

1 (0.82)

 

Use of Opioids Prior to Procedurea

  

0.21

 No

270 (83.59)

107 (88.43)

 

 Yes

53 (16.41)

14 (11.57)

 

Fellow Involved in Procedurea

  

 < 0.0001

 No

100 (30.96)

3 (2.46)

 

 Yes

223 (69.04)

119 (97.54)

 

Biopsy Performed Using CT Guidancea

  

0.02

 No

310 (95.98)

122 (100.00)

 

 Yes

13 (4.02)

0 (0.00)

 

Kidneya

  

 < 0.0001

 Right

164 (50.77)

16 (13.11)

 

 Left

159 (49.23)

106 (86.89)

 
  1. Legend: SBP Systolic blood pressure, DBP Diastolic blood pressure, INR International normalized ratio, PT Prothrombin time
  2. Means with standard deviation in parentheses for continuous variables
  3. aAbsolute numbers with percentages in parentheses for categorical variables