Table 4. Demographics of the State Inpatient Databases separated by surgeon volume quartile.
| Demographics | Neck dissection volume (1–8 per year) (n=348) | Neck dissection volume (9–26 per year) (n=378) | Neck dissection volume (27–45 per year) (n=214) | Neck dissection volume (46–100 per year) (n=295) | Total (n=1,235) |
|---|---|---|---|---|---|
| Age (years) | 48 [36–62] | 50 [37–61] | 47 [34–65] | 48 [36–59] | 48 [36–62] |
| Race | |||||
| White | 208 (59.8) | 166 (43.9) | 126 (58.9) | 212 (71.9) | 712 (57.7) |
| Female sex | 217 (62.4) | 246 (65.1) | 123 (57.5) | 183 (62.0) | 769 (62.3) |
| Urgent/emergent admission | 66 (19.0) | 81 (21.4) | 24 (11.2) | 58 (19.7) | 229 (18.5) |
| Primary expected payor | |||||
| Medicare | 73 (21.0) | 77 (20.4) | 55 (25.7) | 46 (15.6) | 251 (20.3) |
| Medicaid | 66 (19.0) | 72 (19.0) | 16 (7.5) | 25 (8.5) | 179 (14.5) |
| Private insurance | 192 (55.2) | 214 (56.6) | 134 (62.6) | 210 (71.2) | 750 (60.7) |
| Elixhauser comorbidity score | 12 [0–13] | 12 [0–13] | 12 [8–13] | 13 [11–13] | 12 [3–13] |
Data are presented as median [IQR] or n (%). IQR, interquartile range.