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A 2 × 2 contingency table outlining how secondary measure of adherence to imaging guidelines was calculated
| Self-Reported Radiography | |||
|---|---|---|---|
| Yes | No | Total | |
| Red flags: Yes | a | b | a + b |
| Based on guidelines: No | c | d | c + d |
| Total | a + c | b + d | |
Adherence = percentage of cases without red flags not recommended for radiography among all cases without red flags = d / (c + d) ×100%.
