Table 3. Generalized Linear Regression Analysis of Overall Costs in the 30-Day Initial Posttreatment Period.
| Variable | Estimate (95% CI) | Mean Incremental Difference (2018 USD), $ |
|---|---|---|
| Intercept | 9.5261 (9.4316 to 9.6206) | 15 203 |
| Aged 40-64 y | 0.0163 (0.0011 to 0.0314) | 247 |
| Goiter | 0.0575 (0.0026 to 0.1123) | 880 |
| Thyroiditis | 0.0939 (0.0357 to 0.1520) | 1482 |
| Cancer | 0.1196 (0.0648 to 0.1743) | 1819 |
| Female sex | −0.0998 (−0.1202 to −0.0795) | −1518 |
| Comorbidity score | ||
| 1 | 0.1680 (0.1314 to 0.2046) | 2754 |
| ≥2 | 0.4386 (0.3393 to 0.5379) | 8332 |
| Region | ||
| North central | 0.2204 (0.1953 to 0.2456) | 3580 |
| West | 0.0670 (0.0401 to 0.0940) | 1042 |
| Median income quintile | ||
| High | 0.1087 (0.0777 to 0.1396) | 1713 |
| Very high | 0.1351 (0.1061 to 0.1641) | 2148 |
| High MSA volume | −0.1272 (−0.1514 to −0.1031) | −1882 |
| Central neck dissection | 0.1102 (0.0883 to 0.1321) | 1740 |
| Lateral neck dissection | 0.3692 (0.3345 to 0.4038) | 6618 |
| RLN injury | 0.3494 (0.2739 to 0.4249) | 6309 |
| Parathyroid reimplantation | 0.1055 (0.0839 to 0.1271) | 1674 |
| Magnesium disorder | 0.1932 (0.1398 to 0.2466) | 3227 |
| Hypocalcemia | 0.1420 (0.1216 to 0.1624) | 2259 |
Abbreviations: MSA, metropolitan statistical area; RLN, recurrent laryngeal nerve; USD, US dollars.