Table 4 Difference between outcomes in hospitals that adopted EMR (n = 425) vs. non-EMR (n = 283) hospitals, before and after the years of EMR adoption by DRG type (surgical or medical) and hospital characteristics (for all DRGs)
From: The effect of electronic medical record adoption on outcomes in US hospitals
DRGs | Number of hospitals | 30-day rehosp | 30-day mortality | Inpatient mortality | Length of stay | |||||
|---|---|---|---|---|---|---|---|---|---|---|
Difference in outcome (Std. Err) | Difference in outcome (Std. Err) | Difference in outcome (Std. Err) | Difference in outcome (Std. Err) | |||||||
Surgical DRGs | −0.05% | 0.23% * | −0.24% ** | −0.11 day | ||||||
(0.09) | (0.08) | (0.06) | (0.13) | |||||||
Medical DRGs | 0.37% ** | −0.22% ** | −0.01% | 0.07 day** | ||||||
(0.06) | (0.07) | (0.05) | (0.023) | |||||||
Hospital characteristics | P-value | P-value | P-value | P-value | ||||||
Number of Bed | 1st Quartile (Less than 170) | 0.24 % ** | 0.71 | 0.06 % | 0.17 | 0.08% * | 0.16 | 0.04 day | 0.42 | |
185 | (0.08) | (0.08) | (0.03) | (0.07) | ||||||
2nd Quartile (170–260) | 0.32% ** | −0.11 % | −0.03 % | −0.07 day | ||||||
188 | (0.06) | (0.00) | (0.05) | (0.05) | ||||||
3rd Quartile (261–390) | 0.26 % ** | −0.14 ** | −0.02% | −0.19 day | ||||||
177 | (0.06) | (0.04) | (0.04) | (0.13) | ||||||
4th Quartile (Over 390) | 0.33 % ** | 0.02 | 0.07% | - 0.07 day | ||||||
158 | (0.06) | (0.08) | (0.04) | (0.11) | ||||||
Teaching Status | Teaching | 0.29 % ** | 0.99 | −0.05 % | 0.65 | −0.004 % | 0.55 | - 0.01 day | 0.20 | |
399 | (0.05) | (0.05) | (0.06) | (0.08) | ||||||
Non-Teaching | 0.29 % ** | −0.02 % | 0.03% | −0.16 day * | ||||||
309 | (0.07) | (0.06) | (0.04) | (0.09) | ||||||
Ownership | For-profit | 0.27 % ** | 0.02 | −0.02 % | 0.02 | 0.01% | 0.95 | −0.05 day | 0.28 | |
551 | (0.06) | (0.04) | (0.03) | (0.05) | ||||||
Not-for-profit | 0.07 % | −0.20 % | 0.04 % | 0.08 day | ||||||
(0.08) | (0.16) | (0.11) | (0.14) | |||||||
Public | 55 | 0.42 % ** | −0.09 % | 0.03 % | −0.39 day | |||||
102 | (0.11) | (0.09) | (0.06) | (0.33) | ||||||