Regression results—effect of verbal clarification request on time to resolution
| Dependent variable: resolution time (hours) | ||||
| (1) | (2) | (3) | (4) | |
| Verbal clarification request | −56.615*** (2.676) | −49.285*** (2.754) | −37.189*** (2.687) | −30.331*** (3.045) |
| Length of stay at time of query | 0.288*** (0.051) | 0.265*** (0.053) | 0.140*** (0.051) | 0.078 (0.055) |
| Primary query impact | ||||
| Principal diagnosis | 8.362 (12.374) | 22.265* (11.816) | 30.277** (13.986) | |
| CC | 4.006 (12.291) | 18.181 (11.729) | 28.102** (13.878) | |
| MCC | 6.976 (12.277) | 21.971* (11.712) | 30.471** (13.848) | |
| POA or HAC | 20.430 (12.683) | 16.735 (12.099) | 26.215* (14.234) | |
| ROM | 18.296 (14.311) | 16.993 (13.568) | 28.508* (15.543) | |
| SOI | 7.327 (12.688) | 17.558 (12.085) | 24.485* (14.190) | |
| I10 concept | 5.084 (30.456) | 23.710 (28.190) | 47.155 (30.049) | |
| Procedure | 47.999*** (14.126) | 44.228*** (13.922) | 2.981 (18.289) | |
| None | 32.943*** (12.468) | 33.758*** (11.904) | 41.794*** (14.095) | |
| Other | −4.466 (12.508) | 11.801 (11.993) | 26.198* (14.192) | |
| Unassigned | 18.012 (12.523) | 26.766** (11.969) | 32.554** (14.210) | |
| Constant | 72.142*** (0.885) | 80.034 (108.158) | 152.598 (137.219) | 173.965 (175.984) |
| Fixed effects | ||||
| Financial class | No | Yes | Yes | Yes |
| Location | No | Yes | Yes | Yes |
| Query template | No | Yes | Yes | Yes |
| Query day, month and year | No | No | Yes | Yes |
| Query CDS | No | No | Yes | Yes |
| Queried clinician | No | No | Yes | Yes |
| CDS—clinician pair | No | No | No | Yes |
| Observations | 19 650 | 19 650 | 19 650 | 19 650 |
| R2 | 0.025 | 0.083 | 0.357 | 0.636 |
| F-statistic | 247.241*** (df=2;19647) | 14.929*** (df=118; 19531) | 5.543*** (df=1792;17857) | 2.947*** (df=7310;12339) |
Robust SEs are in parentheses; *p<0.1; **p<0.05; ***p<0.01.
CC, complication or comorbidity; CDS, clinical documentation specialist; HAC, hospital acquired condition; MC, major complication or comorbidity; POA, present on admission; ROM, risk of mortality; SOI, severity of illness.