Table 4. Mean Error Rates Compared by Institution, Note Type, Physician Sex, and Specialty.
Group 1 (No.) vs Group 2 (No.) | SR | MT | SN | ||||||
---|---|---|---|---|---|---|---|---|---|
Error Rate, Mean (SD) | P Value | Error Rate, Mean (SD) | P Value | Error Rate, Mean (SD) | P Value | ||||
Group 1 | Group 2 | Group 1 | Group 2 | Group 1 | Group 2 | ||||
Institutiona | |||||||||
Institution A vs institution B | 7.6 (5.1) | 6.6 (3.4) | .10 | 0.3 (0.5) | 0.7 (1.0) | .03 | 0.2 (0.4) | 0.6 (1.0) | .003 |
Note type | |||||||||
Discharge summaries (75) vs others (142) | 8.9 (4.6) | 6.6 (4.7) | <.001 | 0.4 (0.7) | 0.4 (0.6) | .51 | 0.4 (0.7) | 0.2 (0.5) | .08 |
Office notes (83) vs others (134) | 7.0 (5.0) | 7.6 (4.7) | .33 | 0.3 (0.5) | 0.4 (0.7) | .28 | 0.1 (0.3) | 0.4 (0.7) | <.001 |
Operative notes (59) vs others (158) | 6.1 (4.3) | 7.9 (4.9) | .01 | 0.4 (0.7) | 0.4 (0.9) | .72 | 0.4 (0.7) | 0.3 (0.5) | .34 |
Sexb | |||||||||
Female (69) vs male (138) | 7.7 (4.8) | 7.5 (4.9) | .78 | 0.5 (6.4) | 0.4 (6.7) | .65 | 0.3 (0.6) | 0.3 (0.6) | .96 |
Specialtyc | |||||||||
General, internal, or family (53) vs others (138) | 8.7 (4.6) | 6.9 (4.7) | .02 | 0.5 (0.8) | 0.4 (0.6) | .60 | 0.4 (0.7) | 0.3 (0.6) | .38 |
Surgery (63) vs others (128) | 6.0 (4.3) | 8.1 (4.7) | .002 | 0.4 (0.5) | 0.4 (0.7) | .49 | 0.3 (0.5) | 0.3 (0.7) | .55 |
Subspecialties (75) vs others (116) | 7.7 (4.8) | 7.2 (4.6) | .48 | 0.4 (0.7) | 0.4 (0.6) | .93 | 0.3 (0.6) | 0.3 (0.6) | .70 |
Abbreviations: MT, medical transcriptionist–edited notes; SN, signed notes; SR, automatic transcriptions by the speech recognition system.
Number omitted to preserve deidentification.
Physician sex was missing for 10 notes.
Physician specialty was missing for 26 notes.