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Methods

A pre-validated survey was electronically sent to a proprietary listserv of practicing US-based dermatologists. Results were stratified by when teledermatology was adopted. Chi-square and odds ratios (OR) with 95% confidence intervals (95% CI) were used to analyze categorical data while single-factor ANOVA with posthoc Tukey-Kramer was used for continuous data.

Results

338 practicing US-based dermatologists completed the questionnaire. Academic/Government dermatologists were 4-times more likely (OR 4.08, 95% CI 2.37-7.03) to adopt teledermatology pre-COVID than private-practice dermatologists. Dermatologists with≤ 10 years of experience were 1.8-times (OR 1.8, 95% CI 1.01-3.18) and 2.82-times more likely (OR 2.82, 95% CI 0.78-10.25) to adopt teledermatology pre-COVID-19 or at all, respectively, compared to dermatologists with≥ 20 years of experience. Teledermatology adopters practiced more medical-dermatology (P<. 0001) than non-adopters, who reported practicing more dermatologic surgery (P=. 003; Tukey-Kramer α<. 05) and dermatopathology (P<. 0001; Tukey-Kramer α<. 05). Pre-COVID-19 adopters were 4-times more likely (OR 4.69, 95% CI 1.46-15.07) to switch/incorporate live-interactive-only teledermatology (LI) post-COVID-19. Post-COVID-19 adopters were 6-times more likely (OR 6.09, 95% CI 3.36-11.06) to utilize LI than Pre-COVID-19 adopters. Pre-COVID-19 adopters use teledermatology for a larger proportion of patient visits than Post-COVID-19 adopters (19.6% v 10.4%, P<. 0001), but also are 3.43-times more likely (OR 3.43, 95% CI 1.82-6.46) to report future decreases in usage.