TABLE 3.
Physician characteristics for hospital- and nonhospital-based outpatient colonoscopy in Ontario from 1993 to 2005
|
Colonoscopy |
Total (n=1,838,879) | P* | ||
|---|---|---|---|---|
| Nonhospital based (n=219,513) | Hospital based (n=1,619,366) | |||
| Specialty | <0.0001 | |||
| Gastroenterology | 63,525 (29) | 670,179 (41) | 733,704 (40) | |
| General surgery | 122,248 (56) | 708,219 (44) | 830,467 (45) | |
| Internal medicine | 13,657 (6) | 178,501 (11) | 192,158 (10) | |
| Other practitioners | 20,083 (9) | 62,467 (4) | 82,550 (5) | |
| Physician volume quintile | <0.0001 | |||
| Low | 13,469 (6) | 350,741 (22) | 364,210 (20) | |
| 2 | 11,527 (5) | 356,459 (22) | 367,986 (20) | |
| 3 | 22,444 (10) | 346,566 (21) | 369,010 (20) | |
| 4 | 39,893 (18) | 329,067 (20) | 368,960 (20) | |
| High | 132,180 (60) | 236,533 (15) | 368,713 (20) | |
Data presented as n (%) unless indicated otherwise.
*
Calculated for overall comparison among groups