Table V.
Sensitivity analysis: Proportion of patients with no primary care visits within 2 years of their initial dermatology encounter
| Patients with no primary care visits, n (%) |
||||||||
|---|---|---|---|---|---|---|---|---|
| Psoriasis (n = 42,324) |
Hidradenitis suppurativa (n = 2661) |
Acne (n = 129,325) |
Alopecia areata (n = 5561) |
|||||
| Male | Female | Male | Female | Male | Female | Male | Female | |
| Overall | 2452 (12.3) | 1936 (8.7) | 99 (16.1) | 242 (11.8) | 6516 (15.7) | 12,522 (14.3) | 384 (18.7) | 362 (10.3) |
| <20 years | 73 (11.7) | 72 (8.2) | 6 (11.8) | 33 (13.4) | 3289 (13.3) | 3316 (10.2) | 24 (7.1) | 38 (9.0) |
| 21-30 years | 306 (30.8) | 237 (23.4) | 30 (29.1) | 58 (16.0) | 1707 (28.9) | 3966 (23.8) | 101 (31.9) | 64 (24.4) |
| 31-40 years | 548 (24.7) | 386 (18.6) | 36 (25.2) | 77 (15.4) | 815 (22.9) | 2838 (18.5) | 136 (25.3) | 94 (19.9) |
| 41-50 years | 539 (18.2) | 411 (14.2) | 18 (16.5) | 48 (12.9) | 379 (16.0) | 1587 (14.8) | 76 (19.2) | 80 (13.2) |
| >50 years | 986 (7.5) | 830 (5.4) | 9 (4.3) | 26 (4.6) | 326 (6.5) | 815 (6.5) | 47 (10.2) | 86 (4.9) |
To account for patients who might only see their primary care provider every few years, we conducted a sensitivity analysis in which we varied our primary outcome definition to additionally include the 2 years of follow-up after the index date.