Table IV.
Sensitivity analysis: Proportion of patients with no primary care visits within 6 months before and 12 months after their initial dermatology encounter
| Patients with no primary care visits, n (%) |
||||||||
|---|---|---|---|---|---|---|---|---|
| Psoriasis |
Hidradenitis suppurativa |
Acne |
Alopecia areata |
|||||
| Male | Female | Male | Female | Male | Female | Male | Female | |
| Overall | 5109 (15.2) | 4383 (11.4) | 231 (18.3) | 561 (13.5) | 14,654 (19.4) | 30,860 (18.9) | 895 (21.9) | 843 (12.4) |
| <20 years | 144 (12.2) | 161 (10.1) | 15 (13.4) | 68 (13.1) | 6788 (15.9) | 7689 (13.6) | 61 (9.5) | 65 (7.9) |
| 21-30 years | 730 (37.8) | 622 (28.7) | 70 (30.6) | 178 (21.7) | 4160 (35.7) | 10,248 (29.7) | 265 (35.0) | 171 (26.7) |
| 31-40 years | 1196 (30.3) | 947 (23.9) | 76 (25.4) | 172 (17.3) | 1936 (28.3) | 7175 (24.8) | 310 (28.8) | 205 (20.2) |
| 41-50 years | 1144 (22.5) | 934 (18.5) | 44 (20.5) | 85 (11.9) | 936 (21.0) | 3709 (19.3) | 169 (23.2) | 176 (15.5) |
| >50 years | 1895 (8.9) | 1719 (6.7) | 26 (6.4) | 58 (5.3) | 834 (8.4) | 2039 (8.6) | 90 (10.2) | 226 (7.1) |
To account for patients who might have been referred by a primary care provider to their dermatologist, we conducted a sensitivity analysis in which we varied our primary outcome definition to additionally include the 6 months prior to the index date as well as the first year of follow-up after the index date.