Table 3. Degree centrality of six symptoms appeared in Figure 4.
| Symptoms | Degree Centrality |
| Cough | 0.793 |
| Internal Damage | 0.776 |
| Edema | 0.672 |
| Aggregation-Accumulation | 0.569 |
| Distension and Fullness | 0.569 |
| Overexertion and Fatigue | 0.552 |
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