| Category 1 (Tertiary) N (% rows) | Category 2 (Others) N (% rows) | Operating physicians N (% rows) | Non-Operating physicians N (% rows) | All N (% column) |
---|---|---|---|---|---|
never | 104 (50.5) | 102 (49.5) | 127 (61.7) | 79 (38.3) | 206 (26.7) |
once | 54 (60.0) | 36 (40.0) | 52 (57.8) | 38 (42.2) | 90 (11.7) |
less than 3 times | 160 (67.2) | 78 (32.8) | 156 (65.5) | 82 (34.5) | 238 (30.8) |
more than 3 times | 74 (67.3) | 36 (32.7) | 74 (67.3) | 36 (32.7) | 110 (14.2) |
more than 5 times | 85 (66.4) | 43 (33.6) | 91 (71.1) | 37 (28.9) | 128 (16.6) |
Total | 477 (61.8) | 295 (38.2) | 500 (64.8) | 272 (35.2) | 772 (100.0) |