Table 1.
Patient and hospital characteristics by neck hematoma status (yes/no), Nationwide Inpatient Sample 2000–2009, N = 147,334
| Variable | Yes (n = 2210) Number (%) | No (n = 145,134) Number (%) | p valuea | |
|---|---|---|---|---|
| Age at discharge, years | 18–40 | 339 (15.3) | 31,683 (21.9) | < 0.001 |
| 41–65 | 1137 (51.4) | 77,403 (53.3) | ||
| > 65 | 734 (33.2) | 36,048 (24.8) | ||
| Sex | Male | 708 (32.1) | 31,325 (21.8) | < 0.001 |
| Female | 1498 (67.9) | 112,653 (78.2) | ||
| Raceb | White | 1054 (47.7) | 78,001 (53.7) | < 0.001 |
| African American | 351 (15.9) | 15,622 (10.8) | ||
| Hispanic | 115 (5.2) | 9688 (6.7) | ||
| Asian | 66 (3.0) | 4385 (3.0) | ||
| Insurance typec | Medicare | 889 (40.3) | 43,380 (29.9) | < 0.001 |
| Medicaid | 176 (8.0) | 9711 (6.7) | ||
| Private/Health maintenance organization | 1022 (46.3) | 83,967 (57.9) | ||
| Self-pay | 48 (2.2) | 3184 (2.2) | ||
| Residential incomed | 1 | 479 (22.2) | 24,354 (17.1) | < 0.001 |
| 2 | 534 (24.7) | 31,769 (22.4) | ||
| 3 | 548 (25.4) | 35,293 (24.8) | ||
| 4 | 598 (27.7) | 50,724 (35.7) | ||
| Year of discharge | 2000–2002 | 533 (24.1) | 40,493 (27.9) | < 0.001 |
| 2003–2006 | 919 (41.6) | 60,889 (42.0) | ||
| 2007–2009 | 758 (34.3) | 43,752 (30.1) | ||
| Geographic region | West | 432 (19.5) | 34,010 (23.4) | < 0.001 |
| South | 860 (38.9) | 47,250 (32.6) | ||
| Northeast | 426 (19.3) | 35,566 (24.5) | ||
| Midwest | 492 (22.3) | 28,308 (19.5) | ||
| Charlson Comorbidity Index score | 0 | 892 (40.4) | 73,875 (50.8) | < 0.001 |
| 1 | 342 (15.5) | 19,232 (13.3) | ||
| 2 | 508 (23.0) | 32,173 (22.2) | ||
| ≥ 3 | 468 (21.2) | 19,854 (13.7) | ||
| Obesity | Nonobese | 2064 (93.4) | 135,713 (93.5) | 0.8 |
| Obese | 146 (6.6) | 9421 (6.5) | ||
| Smoking status | Nonsmoker | 1878 (85.0) | 127,322 (87.7) | < 0.001 |
| Smoker | 332 (15.0) | 17,812 (12.3) | ||
| Alcohol abuse | No | 2183 (98.8) | 144,617 (99.6) | < 0.001 |
| Yes | 27 (1.2) | 517 (0.4) | ||
| Hospital bed size | Small | 210 (9.5) | 14,723 (10.2) | 0.6 |
| Medium | 503 (22.8) | 33,176 (22.9) | ||
| Large | 1489 (67.6) | 96,894 (66.9) | ||
| Location of hospital | Rural | 147 (6.7) | 9991 (6.9) | 0.7 |
| Urban | 2055 (93.3) | 134,802 (93.1) | ||
| Teaching status of hospital | Nonteaching | 891 (40.5) | 61,131 (42.2) | 0.1 |
| Teaching | 1311 (59.5) | 83,662 (57.8) | ||
| Hospital volume | Low | 501 (22.7) | 30,053 (20.7) | 0.02 |
| High | 1709 (77.3) | 115,081 (79.3) | ||
| Diagnosis | Parathyroid diseases | 386 (17.5) | 26,118 (18.0) | < 0.001 |
| Benign thyroid disease | 1172 (53.0) | 78,288 (53.9) | ||
| Thyroid cancer | 530 (24.0) | 36,508 (25.2) | ||
| Graves disease | 122 (5.5) | 4220 (2.9) | ||
| Surgical procedure | Parathyroidectomy | 296 (13.4) | 26,259 (18.0) | < 0.001 |
| Partial thyroidectomy | 915 (41.4) | 63,662 (43.9) | ||
| Substernal thyroidectomy | 125 (5.7) | 4851 (3.4) | ||
| Total thyroidectomy without neck dissection | 777 (35.2) | 45,944 (31.7) | ||
| Total thyroidectomy with neck dissection | 97 (4.4) | 4418 (3.0) | ||
a
Derived from χ2 test for categorical variables and Student t test for continuous variables.
b
Results for Native Americans, other, and unknown racial groups are not presented in this Table.
c
Results for no charge and other insurance types are not presented in this Table.
d
Residential income: the quartiles are identified by values of 1–4, indicating the poorest to wealthiest populations, respectively.