Table 1 Baseline characteristics of patients with CKD stage 3–5 and the background population
From: Prevalence and incidence of chronic kidney disease stage 3–5 – results from KidDiCo
Total | Control population | CKD | p-value | ||
|---|---|---|---|---|---|
N = 669,929 | N = 603,443 | N = 66,486 | |||
Sex | male | 309,757 (46.2%) | 283,452 (47.0%) | 26,305 (39.6%) | < 0.001 |
female | 360,172 (53.8%) | 319,991 (53.0%) | 40,181 (60.4%) | ||
Age | 51.4 (37.1–65) | 49 (35.8–61.6) | 76.4 (69–83) | < 0.001 | |
Age group (in years) | 18–29 | 99,914 (14.9%) | 99,777 (16.5%) | 137 (0.2%) | < 0.001 |
30–39 | 92,628 (13.8%) | 92,306 (15.3%) | 322 (0.5%) | ||
40–49 | 120,927 (18.1%) | 119,991 (19.9%) | 936 (1.4%) | ||
50–59 | 121,405 (18.1%) | 117,841 (19.5%) | 3564 (5.4%) | ||
60–69 | 116,239 (17.4%) | 103,046 (17.1%) | 13,193 (19.8%) | ||
70–79 | 70,987 (10.6%) | 47,480 (7.9%) | 23,507 (35.4%) | ||
80–89 | 39,701 (5.9%) | 19,129 (3.2%) | 20,572 (30.9%) | ||
90 and over | 8128 (1.2%) | 3873 (0.6%) | 4255 (6.4%) | ||
Diabetes | no | 634,636 (94.7%) | 579,556 (96.0%) | 55,080 (82.8%) | < 0.001 |
yes | 35,293 (5.3%) | 23,887 (4.0%) | 11,406 (17.2%) | ||
Hypertension | no | 474,251 (70.8%) | 461,510 (76.5%) | 12,741 (19.2%) | < 0.001 |
yes | 195,678 (29.2%) | 141,933 (23.5%) | 53,745 (80.8%) | ||
Cardiovascular diseases | no | 619,820 (92.5%) | 572,643 (94.9%) | 47,177 (71.0%) | < 0.001 |
yes | 50,109 (7.5%) | 30,800 (5.1%) | 19,309 (29.0%) | ||
Charlson | 0 | 602,569 (89.9%) | 557,058 (92.3%) | 45,511 (68.5%) | < 0.001 |
1 | 24,682 (3.7%) | 18,759 (3.1%) | 5923 (8.9%) | ||
2 | 34,706 (5.2%) | 23,348 (3.9%) | 11,358 (17.1%) | ||
3 | 3505 (0.5%) | 1633 (0.3%) | 1872 (2.8%) | ||
4+ | 4467 (0.7%) | 2645 (0.4%) | 1822 (2.7%) | ||
Education level | short | 487,400 (72.8%) | 436,742 (72.4%) | 50,658 (76.2%) | < 0.001 |
middle | 139,626 (20.8%) | 132,909 (22.0%) | 6717 (10.1%) | ||
long | 12,793 (1.9%) | 12,396 (2.1%) | 397 (0.6%) | ||
missing | 30,110 (4.5%) | 21,396 (3.5%) | 8714 (13.1%) | ||
Occupational status | active | 327,358 (48.9%) | 322,546 (53.5%) | 4812 (7.2%) | < 0.001 |
temporarily not active | 16,962 (2.5%) | 16,671 (2.8%) | 291 (0.4%) | ||
not active | 305,147 (45.5%) | 244,144 (40.5%) | 61,003 (91.8%) | ||
missing/others | 20,462 (3.1%) | 20,082 (3.3%) | 380 (0.6%) |