Table 2. Appropriateness criteria for laboratory tests based on reviewers’ judgment .
| Appropriateness Criteria | N | % |
| Criteria I | 23 | 0.24 |
| Criteria I & II | 11 | 0.12 |
| Criteria I & III | 6 | 0.06 |
| Criteria I & IV | 3 | 0.03 |
| Criteria II | 378 | 3.96 |
| Criteria II & III | 28 | 0.30 |
| Criteria II & IV | 197 | 2.07 |
| Criteria II & V | 2 | 0.02 |
| Criteria III | 957 | 10.05 |
| Criteria III & IV | 251 | 2.63 |
| Criteria IV | 5012 | 52.53 |
| Criteria V | 8 | 0.09 |
| Total | 6876 | 72.1 |
Criteria I: Relevance to signs and symptoms
Criteria II: Relevance to diagnosis
Criteria III: Relevance to monitoring of treatment
Criteria IV: Relevance to medical intervention
Criteria V: To confirm suspected condition