Table 1.

Characteristics of study population (N = 397,362) group by year of first treatment for ESRD

Characteristic1995 to 19981999 to 20022003 to 2006P
n112,495137,624147,243
Age (years)<0.0001
    60.0 to 64.932,850 (29.2)40,926 (29.7)47,344 (32.1)
    65.0 to 69.938,973 (34.6)46,507 (33.8)49,452 (33.6)
    70.0 to 74.940,672 (36.2)50,191 (36.5)50,447 (34.3)
Female55,740 (49.6)66,640 (48.4)68,511 (46.5)<0.0001
Race0.03
    black29,965 (26.6)36,143 (26.3)38,772 (26.3)
    white75,957 (67.5)93,087 (67.6)99,641 (67.7)
    other6573 (5.8)8394 (6.1)8830 (6.0)
Cause of ESRD<0.0001
    diabetes57,844 (51.4)73,731 (53.6)78,065 (53.0)
    GN8441 (7.5)8500 (6.2)7827 (5.3)
    other46,210 (41.1)55,393 (40.2)61,351 (41.7)
BMI ≥3019,800 (19.8)36,986 (28.1)48,671 (34.2)<0.0001
Comorbid disease
    IHD36,640 (32.6)45,988 (33.4)44,375 (30.1)<0.0001
    cerebrovascular disease12,281 (10.9)15,364 (11.2)16,483 (11.2)0.06
    PVD20,361 (18.1)24,115 (17.5)25,391 (17.2)<0.0001
    CHF42,752 (38.0)49,988 (36.3)53,607 (36.4)<0.0001
    COPD10,126 (9.0)13,049 (9.5)15,504 (10.5)<0.0001
Inability to ambulate or transfer5618 (5.0)6165 (4.5)9005 (6.1)<0.0001
History of smoking5605 (5.0)6088 (4.4)7564 (5.1)<0.0001
Substance abuse1559 (1.4)1596 (1.2)1987 (1.3)<0.0001
State of residence grouped by deceased donation ratea0.0002
    Q113,890 (12.6)16,365 (12.2)17,501 (12.2)
    Q210,872 (9.9)13,416 (10.0)14,373 (10.0)
    Q333,922 (30.8)41,626 (30.9)44,440 (30.9)
    Q432,964 (29.9)40,839 (30.3)43,860 (30.5)
    Q518,589 (16.9)22,422 (16.7)23,549 (16.4)
Median household incomeb<0.0001
    $0 to $30,17728,025 (25.7)33,315 (25.0)34,562 (24.4)
    $30,178 to $37,37027,377 (25.1)33,260 (25.0)35,399 (25.0)
    $37,371 to $47,81427,036 (24.8)33,184 (24.9)35,824 (25.3)
    >$47,81426,729 (24.5)33,433 (25.1)35,984 (25.4)
Insurer<0.0001
    Medicare only41,193 (36.6)54,744 (39.8)63,543 (43.2)
    private only21,945 (19.5)24,810 (18.0)24,809 (16.9)
    both39,844 (35.4)49,450 (35.9)50,360 (34.2)
    neither9513 (8.5)8620 (6.3)8531 (5.8)
  • Data are n (%). CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; GN, glomerulonephritis; IHD, ischemic heart disease; PVD, peripheral vascular disease; Q, quintile.

  • a Based on deceased organ donation rate per million population (6).

  • b Determined using zip code of residence (7).