Skip to main content

Table 1 Baseline characteristics of study patients. Data presented as either number (percent) or mean (standard deviation) as appropriate

From: Vascular access placement in patients with chronic kidney disease Stages 4 and 5 attending an inner city nephrology clinic: a cohort study and survey of providers

  Total (221) Faculty (141) Fellow (80) p-value
Age [years] 64.8 (13.6) 67.2 (12.9) 60.6 (13.7) <0.001
Female (%) 124 (56) 91 (64.5) 33 (41.2) 0.001
Mean BMI [Kg/m2] 30.4 (7.0) 30.7 (7.1) 29.7 (6.9) 0.14
Co-morbidities
 Hypertension (%) 206 (93.2) 130 (92.2) 76 (95) 0.58
 Diabetes Mellitus (%) 146 (66) 93 (65.9) 53 (66.3) 0.9
 Congestive Heart Failure (%) 96 (43.4) 58 (41.1) 38 (47.5) 0.39
 Peripheral Vascular Disease (%) 33 (14.9) 23 (16.3) 10 (12.5) 0.55
Race/ Ethnicity     0.06
White (%) 17 (7.7) 14 (9.9) 3 (3.7)  
African-American (%) 68 (30.8) 49 (34.7) 19 (23.7)  
Hispanic 107 (48.4) 63 (44.7) 44 (55)  
Other 29 (13.1) 15 (10.6) 14 (17.5)  
Primary Language
 English (%) 164 (74.2) 108 (76.5) 56 (70) 0.3
 Spanish (%) 51 (23.2) 30 (21.3) 21 (26.2) 0.4
Insurance
 Medicaid (%) 77 (34.8) 33 (23.4) 44 (55) <0.001
 Medicare (%) 70 (31.8) 54 (38.3) 16 (20) 0.006
Never smoker (%) 118 (53.4) 76 (53.9) 42 (52.5) 0.8
Hemoglobin, mean (SD) [gm/dL] 10.7 (1.8) 10.9 (1.8) 10.3 (1.8) 0.04
Albumin, mean [gm/dL] 3.8 (0.6) 3.96 (0.6) 3.53 (0.7) <0.001
Creatinine, mean [mg/dL] 2.88 (1.2) 2.7 (1.2) 3.18 (1.2) 0.005
Renal Clinic visit, mean 5.4 (4.1) 5.3 (4.2) 5.5 (4.1) 0.8
eGFR [ml/min/1.73 m2] at the study entry, median (IQR) 20.8 (6.4) 21.3 (6.2) 19.8 (6.5) 0.07
Urine albumin/creatinine ratio 0.78 (0.18, 3.73) 0.51 (0.13, 2.08) 2.64 (0.44, 5.31) <0.001
Follow up (years), median (IQR) 1.26 (0.6–1.68) 1.3(0.75–1.69) 1.2 (0.4–1.6) 0.1
Any hospitalization 155 (70.1) 89 (63.1) 66 (82.5) 0.002
Any hospitalization with acute kidney injury episode 136 (61.5) 74 (52.5) 62 (77.5) <0.001