Table 3.
Descriptive statistics of exam types, imaging location, patient location, and different number of views (head CT/MR). The p values compare the differences in viewing frequencies for given patient and exam locations for head CT and MR studies
| Location | Total | 1 view | 2–5 views | ≥ 6 views | p value | Cramer’s V | ||
|---|---|---|---|---|---|---|---|---|
| Head CT | Patient location |
Inpatient Outpatient Emergency |
17,914 6680 12,063 |
11% (2013) 32% (2111) 31% (3732) |
36% (6513) 48% (3237) 45% (5478) |
52% (9388) 20% (1332) 24% (2853) |
< 0.01 | 0.24 |
| Exam location |
Off Campus On-site |
2765 33,892 |
40% (1105) 20% (6751) |
45% (1240) 41% (13988) |
15% (420) 39% (13153) |
< 0.01 | 0.15 | |
| Head MR | Patient location |
Inpatient Outpatient Emergency |
9395 21,066 4113 |
6% (607) 28% (5950) 16% (656) |
26% (2400) 51% (10793) 40% (1656) |
68% (6388) 21% (4323) 44% (1801) |
< 0.01 | 0.31 |
| Exam location |
Off Campus On-site |
10,687 23,887 |
30% (3233) 17% (3980) |
51% (5436) 39% (9413) |
19% (2018) 44% (10494) |
< 0.01 | 0.25 |