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The flexibility of the tuberculosis surveillance system by score, score percent, and rank in Sana’a City, 2018 (n=10).
| Indicators | Score | Score percent | Rank |
| The system can accommodate with changes in case definition | 7 | 70 | Average |
| The system can accommodate any changes in reporting method | 10 | 100 | Good |
| The system can integrate the surveillance of other disease | 10 | 100 | Good |
| The system can accommodate data changes with minimum cost and efforts | 3 | 30 | Poor |
| Overall | 30 | 75 | Average |
