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Number of patient visits for consultations with different medical service modes over 3 years (N=852; Kruskal-Wallis H=51.39, P<.001).
| Service modes | Number of patients, n (%) | Number of visits, mean (SD) |
| Offline service | 354 (41.55) | 9.33 (6.78) |
| Web-based and offline service combination | 424 (49.77) | 13.83 (11.07) |
| Web-based service | 74 (8.68) | 8.80 (6.81) |
