Table 2.

Association between nephrology care of >6 mo and outcomes of predialysis treatment^a

Attribute	n (%)	Patients with Pre-ESRD Care (n [%])	Adjusted OR (95% CI)b
Survived
yes	23,943 (82.5)	12,734 (53.2)	1.50 (1.40 to 1.62)
no	5088 (17.5)	2159 (42.4)	–
AVF	3381 (11.7)	2781 (84.5)	4.00 (3.57 to 4.50)
AVG	1648 (5.7)	1181 (77.7)	2.23 (1.96 to 2.53)
Catheter	23,822 (82.6)	10,795 (45.3)	–
Hemoglobin >11 g/dl	7297 (25.1)	4350 (59.6	1.27 (1.20 to 1.35)
Predialysis ESA	8319 (28.7)	7014 (84.3)	5.98 (5.48 to 6.52)
BMI
underweight	1421 (4.9)	603 (42.4)	0.97 (0.86 to 1.10)
normal	9181 (31.6)	4372 (47.6)	–
overweight	7899 (27.2)	4104 (52.0)	1.09 (1.02 to 1.16)
obese	5093 (17.5)	2749 (54.0)	1.15 (1.06 to 1.24)
clinically obese	2705 (9.3)	1525 (56.4)	1.27 (1.15 to 1.39)
morbidly obese	2732 (9.4)	1540 (56.4)	1.32 (1.20 to 1.46)
Optimal albuminc	1618 (5.6)	1095 (67.7)	1.54 (1.35 to 1.74)
Dietary care	2420 (8.3)	2154 (89.0)	5.32 (4.30 to 6.59)

^aAVG, arteriovenous graft.

^bAdjusted for all factors in Tables 1 and 2.

^c≥4.0 g/dl by the bromcresol green method; 3.7 g/dl by the bromcresol purple method and ≥4.0 g/dl if analytic method missing. Analyses account for within-center clustering of patients.