Table 1.
Characteristics of AD patients newly diagnosed in 2012–2021, by age group at AD diagnosis.
| Characteristics at AD Diagnosis | Age at AD Diagnosis, Years | ||||
|---|---|---|---|---|---|
| <12 | 12–17 | 18+ | Total | ||
| Total | 82,013 (100.0) | 5672 (100.0) | 36,865 (100.0) | 124,550 (100.0) | |
| Age, years | Median (IQR) | 1.7 (0.6–4.2) | 14.5 (13.2–16.2) | 41.7 (30.0–55.6) | 4.4 (1.1–26.0) |
| Sex | Male | 43,663 (53.2) | 2433 (42.9) | 14,327 (38.9) | 60,423 (48.5) |
| Female | 38,350 (46.8) | 3239 (57.1) | 22,538 (61.1) | 64,127 (51.5) | |
| Residence area | North | 11,610 (14.2) | 960 (16.9) | 7402 (20.1) | 19,972 (16.0) |
| Sharon | 18,838 (23.0) | 1293 (22.8) | 7213 (19.6) | 27,344 (22.0) | |
| South | 13,956 (17.0) | 861 (15.2) | 5279 (14.3) | 20,096 (16.1) | |
| Center | 18,376 (22.4) | 1119 (19.7) | 8347 (22.6) | 27,842 (22.4) | |
| J-lem and Shfela | 19,233 (23.5) | 1439 (25.4) | 8624 (23.4) | 29,296 (23.5) | |
| SES | Low | 15,912 (19.4) | 1019 (18.0) | 5746 (15.6) | 22,677 (18.2) |
| Medium | 22,470 (27.4) | 1562 (27.5) | 11,200 (30.4) | 35,232 (28.3) | |
| High | 43,557 (53.1) | 3088 (54.4) | 19,879 (53.9) | 66,524 (53.4) | |
| Missing | 73 (0.1) | 3 (0.1) | 40 (0.1) | 116 (0.1) | |
| BMI, kg/m2 a | <18.5 | 37,863 (46.2) | 1824 (32.2) | 1154 (3.1) | 40,841 (32.8) |
| 18.5–24.9 | 4799 (5.9) | 2386 (42.1) | 14,384 (39.0) | 21,569 (17.3) | |
| 25.0–29.9 | 190 (0.2) | 486 (8.6) | 10,146 (27.5) | 10,822 (8.7) | |
| ≥30 | 85 (0.1) | 172 (3.0) | 6329 (17.2) | 6586 (5.3) | |
| Missing | 39,076 (47.6) | 804 (14.2) | 4852 (13.2) | 44,732 (35.9) | |
| Asthma | Ever | 9540 (11.6) | 1614 (28.5) | 6909 (18.7) | 18,063 (14.5) |
| Prior 5 years | 8162 (10.0) | 508 (9.0) | 3329 (9.0) | 11,999 (9.6) | |
| Allergic rhinitis | Ever | 3235 (3.9) | 1319 (23.3) | 12,385 (33.6) | 16,939 (13.6) |
| Prior 5 years | 3087 (3.8) | 927 (16.3) | 6536 (17.7) | 10,550 (8.5) | |
| Nasal polyposis | Ever | 79 (0.1) | 26 (0.5) | 667 (1.8) | 772 (0.6) |
| Ophthalmic conditions | Ever | 11 (0.0) | 9 (0.2) | 8 (0.0) | 28 (0.0) |
| Anemia—iron deficiency b | Fe, tested | 2763 | 828 | 10,506 | 14,097 |
| Low Fe (% in tested) | 457 (16.5) | 78 (9.4) | 2602 (24.8) | 3137 (22.3) | |
| Low Fe (% in total) | 457 (0.6) | 78 (1.4) | 2602 (7.1) | 3137 (2.5) | |
| Anemia—low Hb b | Hb, tested | 33,209 | 2187 | 25,497 | 60,893 |
| Low Hb (% in tested) | 4491 (13.5) | 263 (12.0) | 5607 (22.0) | 10,361 (17.0) | |
| Low Hb (% in total) | 4491 (5.5) | 263 (4.6) | 5607 (15.2) | 10,361 (8.3) | |
| Anemia b | Low Hb/Fe (% in total) | 4851 (5.9) | 317 (5.6) | 6957 (18.9) | 12,125 (9.7) |
| Other comorbidities (ever) | Diabetes | 15 (0.0) | 15 (0.3) | 2805 (7.6) | 2835 (2.3) |
| Hypertension | 8 (0.0) | 9 (0.2) | 6665 (18.1) | 6682 (5.4) | |
| CVD | 881 (1.1) | 63 (1.1) | 2791 (7.6) | 3735 (3.0) | |
| ADHD c | 956 (1.2) | 1061 (18.7) | 2467 (6.7) | 4484 (3.6) | |
| Depression d | 38 (0.0) | 148 (2.6) | 7156 (19.4) | 7342 (5.9) | |
a. Most recent measurement in the past 5 years; b. most recent test in the past year; c. diagnosed and treated; d. depression and/or anxiety defined as diagnosed and treated, or undiagnosed with ≥2 dispensed prescriptions.