| Session | Average service time/second | Average service time distribution |
| Check health code and take the temperature | 62.12 | Negative exponential distribution |
| Registration | 57.36 | Negative exponential distribution |
| Dermatology | 584.00 | Negative exponential distribution |
| Ophthalmology | 183.00 | Negative exponential distribution |
| Payment | 65.63 | Negative exponential distribution |
| Drug-taking window | 839.00 | Negative exponential distribution |