Table 1.
Table of Means
| EHR (−) | EHR (+) | p‐Value | |
|---|---|---|---|
| Acuity | 1.933 | 1.932 | .948 |
| [0.497] | [0.446] | ||
| Age | 48.808 | 57.395 | .000 |
| [20.859] | [18.227] | ||
| Male | 0.538 | 0.517 | .051 |
| [0.499] | [0.500] | ||
| Fraction discharged | 0.727 | 0.603 | .000 |
| [0.446] | [0.489] | ||
| Total no. of ICD9s | 1.296 | 1.349 | .000 |
| [0.621] | [0.663] | ||
| Length of stay (minutes) | 358.14 | 399.18 | .000 |
| [229.2] | [225.18] | ||
| Total imaging studies | 1.802 | 1.650 | .000 |
| [2.169] | [1.804] | ||
| Total CT scans | 0.615 | 0.498 | .000 |
| [1.019] | [0.845] | ||
| Total ultrasound scans | 0.091 | 0.085 | .333 |
| [0.316] | [0.304] | ||
| Total MRI scans | 0.045 | 0.048 | .668 |
| [0.315] | [0.310] | ||
| N | 3,236 | 6,734 |
Acuity measure is on a descending scale so that 1 = most severe and 3 = least severe. SD in brackets.