Table 3.
Diagnostic imaging rates of 11 824 participants with injury of the cervical spine, according to hospital type
| Hospital type | No of patients | % of patients imaged* | % relative change (95% CI) | P value for change | ||||
|---|---|---|---|---|---|---|---|---|
| Before period | After period | Before period | After period | |||||
| Intervention: | ||||||||
| Community | 1422 | 1612 | 52.5 (16.9) | 42.7 (9.0) | −18.0 (−11.3 to −24.2) | 0.15 | ||
| Teaching | 1845 | 2016 | 70.9 (4.7) | 63.9 (6.1) | −9.5 (−5.4 to −13.4) | 0.01 | ||
| Control: | ||||||||
| Community | 1234 | 1452 | 51.0 (8.9) | 57.3 (9.9) | 14.0 (6.6 to 22.0) | 0.20 | ||
| Teaching | 1179 | 1064 | 54.3 (9.8) | 60.6 (4.0) | 11.3 (3.7 to 19.5) | 0.16 | ||
*Values are means (SD).
P values not corrected for multiple comparisons.