Table 2 Case-mix in relation to seniority of surgeon
From: Experience versus complication rate in third molar surgery
Category | Description | Surgeon | X2 (df) | P-value | |
|---|---|---|---|---|---|
Resident n (%) | Specialist n (%) | ||||
Patient gender | Male | 215 (41.5) | 286 (50.3) | ||
Female | 303 (58.5) | 283 (49.7) | 8.37 (1) | 0.004 | |
Degree of impaction of 3rd molar | Fully erupted | 60 (11.6) | 44 (7.7) | ||
Partially erupted | 424 (81.9) | 433 (76.1) | |||
Fully impacted | 34 (6.6) | 92 (16.2) | 26.92 (2) | <0.001 | |
Proximity to inferior alveolar nerve | > 2 mm | 103 (19.9) | 141 (24.8) | ||
<= 2 mm | 415 (80.1) | 428 (75.2) | 3.73 (1) | 0.053 | |
Patient age group | 17–20 years | 139 (26.8) | 156 (27.4) | ||
21–25 years | 257 (49.6) | 273 (48.0) | |||
26–30 years | 77 (14.9) | 75 (13.2) | |||
31+ years | 45 (8.7) | 65 (11.4) | 2.74 (3) | 0.434 | |
Total number of cases treated | 518 (100.0) | 569 (100.0) | |||