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Table 3 Characteristics of patients who started dialysis compared to patients who had an AV access placed during the follow-up period

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

Characteristic No HD, No referral (n = 114) Started HD, no referral (n = 13) No HD, Referred for AV access (n = 59) Started HD and Referred for AV access (n = 35) p-value
Age, mean (SD) 68.0 (13.3) 60.5 (15.5) 63.3 (13.2) 58.9 (11.7) 0.002
Female (%) 72 (63) 7 (53) 26 (44) 19 (54) 0.12
Mean BMI [Kg/m2] 31.0 (7.4) 28.7 (9.1) 29.5 (6.0) 30.4 (6.4) 0.47
Co-morbidities
Hypertension (%) 104 (91) 12 (92) 57 (97) 33 (94) 0.60
Diabetes Mellitus (%) 68 (60) 10 (77) 38 (64) 30 (86) 0.03
Congestive Heart Failure (%) 45 (39) 9 (69) 24 (41) 18 (51) 0.15
Peripheral Vascular Disease (%) 16 (14) 3 (23) 9 (15) 5 (14) 0.86
Race/ Ethnicity      0.15
White N (%) 11 (10) 3 (23) 2 (3) 1 (3)  
African American(%)a 33 (29) 6 (46) 19 (32) 10 (29)  
Hispanic N (%) 52 (45) 4 (31) 30 (51) 21 (60)  
Other N (%) 18 (16) 0 8 (14) 3 (8)  
Primary Language      0.74
English (%)a 82 (72) 12 (92) 44 (75) 26 (74)  
Spanish (%)a 29 (25) 1 (8) 12 (20) 9 (26)  
Never smoker (%) 67 (59) 4 (31) 30 (50) 17 (49) 0.45
Hemoglobin, mean (SD) [gm/dL] 11.1 (1.8) 9.2 (2.1) 10.5 (1.7) 10.5 (1.9) 0.001
Albumin, mean [gm/dL] 4.02 (0.55) 3.36 (0.68) 3.77 (0.63) 3.45 (0.59) <0.001
Creatinine, mean [mg/dL] 2.39 (0.80) 3.5 (1.93) 3.04 (1.00) 3.95 (1.46) <0.001
Hospitalization, N (%) 70 (61) 13 (100) 39 (66) 33 (94) <0.001
Renal Clinic visit, median (IQR) 4 (2 to 7) 2 (1 to 4) 6 (3 to 11) 3 (6 to 9) <0.001
eGFR [ml/min/1.73 m2] at the study entry, median (IQR) 26 (21 to 28) 20 (16 to 27) 19 (15 to 25) 17 (12 to 20) <0.001
Hospitalization with AKI episode, N (%) 59 (52) 13 (100) 33 (56) 31 (89) <0.001
Urine albumin/creatinine ratio 0.27 (0.1 to 0.82) 3.83 (1.87 to 5.15) 1.48 (0.61 to 5.07) 4.35 (2.38 to 7.87) 0.22
Follow up (years), median (IQR) 1.2 (0.6–1.7) 0.6 (0.3–1.0) 1.3 (1.1–1.7) 1.3 (0.5–1.5)  
  1. aTotal may not add up to 100% due to missing values