Table 2.
Representativeness: comparison of combined comorbidity score in those with high vs. low EHR continuity
| Comorbidity score categories | Low EHR-continuity N (%)a | High EHR-continuity N (%)b | Stand. Diff.c |
|---|---|---|---|
| −1 | 15453 (13) | 3774 (18) | 0.15 |
| 0 | 28637 (24) | 5604 (27) | 0.08 |
| 1 | 21677 (18) | 3500 (17) | 0.03 |
| 2 | 13971 (12) | 2142 (11) | 0.04 |
| 3 | 9546 (8) | 1382 (7) | 0.05 |
| 4 | 7017 (6) | 964 (5) | 0.05 |
| 5 | 5555 (5) | 769 (4) | 0.04 |
| 6 | 4918 (4) | 657 (3) | 0.05 |
| 7 | 3846 (3) | 543 (3) | 0.03 |
| 8 | 2967 (3) | 407 (2) | 0.03 |
| 9 | 2128 (2) | 274 (1) | 0.04 |
| 10 | 1457 (1) | 186 (1) | 0.03 |
| 11 | 1001 (1) | 119 (1) | 0.03 |
| 12 | 647 (1) | 73 (0.4) | 0.03 |
| 13 | 410 (0.3) | 46 (0.2) | 0.02 |
| 14 | 243 (0.2) | 28 (0.1) | 0.02 |
| 15 | 197 (0.2) | 12 (0.1) | 0.03 |
| 16 | 88 (0.1) | 5 (0.02) | 0.02 |
| Total N/mean stand. diff. | 119851 | 20497 | 0.04 |
a
The proportion of encounters captured by the electronic health record system<60%.
b
The proportion of encounters captured by the electronic health record system>=60%.
c
Stand diff= Standardized difference. Combined comorbidity score8 ranges between −2 to 26 with a higher score associated with higher mortality; cell size <5 were not presented here.