Table 3.
Factors Related to Principal Procedure Code Accuracy by Type of Error
| Frequency (percent) |
||||||||
|---|---|---|---|---|---|---|---|---|
| Major | Minor | Total | χ2 | p | OR | CI95 for OR | ||
| Experience (years) | ≤5 |
24 (57.1) |
18 (42.9) |
42 |
1.521 | .318 | 4 | 0.38–41.85 |
| >5 | 1 (25.0) | 3 (75.0) | 4 | |||||
| Education | Bachelor |
24 (53.3) |
21 (46.8) |
45 |
0.895 | .534 | – | – |
| Associate | 1 (100) | – | 1 | |||||
| Using the ICD-9-CM book | Alphabetical only |
19 (67.9) |
9 (32.1) |
28 |
5.738 | .057 | – | – |
| Alphabetical & tabular list |
– |
1 (100) |
1 |
|||||
| Memory-based | 6 (35.3) | 11 (64.7) | 17 | |||||
| Using the ICD-9-CM book * | With book |
19 (65.5) |
10 (34.5) |
29 |
3.946 | .047 | 3.48 | 0.99–12.2 |
| Memory-based | 6 (35.3) | 11 (64.7) | 17 | |||||
| Record study | Entire review |
16 (47.1) |
18 (52.9) |
34 |
4.067 | .079 | 0.2 | 0.04–1.06 |
| Face sheet | 9 (81.8) | 2 (18.2) | 11 | |||||
| Hospital | General |
23 (56.1) |
18 (43.9) |
41 |
0.465 | .648 | 1.92 | 0.29–12.8 |
| Specialized | 2 (40.0) | 3 (60.0) | 5 | |||||
| Nature | Documented |
25 (54.3) |
21 (45.7) |
46 |
– | – | – | – |
| Undocumented | – | – | – | |||||
| Topography | Documented |
24 (54.5) |
20 (45.5) |
44 |
– | – | – | – |
| Undocumented | – | – | – | |||||
| Approach | Documented |
13 (59.1) |
9 (40.9) |
22 |
1.177 | .278 | 1.99 | 0.32–12.3 |
| Undocumented | 8 (42.1) | 11 (57.9) | 19 | |||||
| Direction or device | Documented |
9 (69.2) |
4 (30.8) |
13 |
0.016 | .628 | 1.12 | 0.18–6.96 |
| Undocumented | 6 (66.7) | 3 (33.3) | 9 | |||||
| Readability* | Readable |
12 (42.9) |
16 (57.1) |
28 |
6.286 | .012 | 0.14 | 0.02–0.73 |
| Unreadable | 11 (84.6) | 2 (15.4) | 13 | |||||
| Abbreviation* | No abbreviation |
13 (41.9) |
18 (58.1) |
31 |
6.166 | .021 | 0.09 | 0.01–0.82 |
| Clear abbreviation | 8 (88.9) | 1 (11.1) | 9 | |||||
*
Significant statistical relation at 95% level