Table 2.
Demographics and discharge dispositions of the cohorts (weighted frequencies)
| Variable | Overall (n = 5,385) | Cervical (n = 2,055) | Thoracic (n = 3,140) | Lumbar (n = 955) | Sacral (n = 120) | |
|---|---|---|---|---|---|---|
| Age (yr) | 71.63 ± 3.21 | 69.88 ± 13.58 | 72.20 ± 12.85 | 71.30 ± 13.4 | 69.54 ± 15.75 | |
| Sex | ||||||
| Male | 83.8 | 88.6 | 83.4 | 82.2 | 45.8 | |
| Female | 16.2 | 11.4 | 16.6 | 17.8 | 54.2 | |
| Race | ||||||
| White | 4,170 (77.4) | 1,520 (74) | 2,455 (78.2) | 740 (77.5) | 100 (83.3) | |
| African Americans | 265 (4.9) | 145 (7.3) | 110 (3.5) | 65 (6.8) | N/A | |
| Hispanics | 265 (7.9) | 185 (9.3) | 250 (8) | 55 (5.8) | 10 (8.3) | |
| Asian/Pacific Islander | 165 (3.1) | 90 (4.4) | 75 (2.4) | 25 (2.6) | N/A | |
| Native Americans | 30 (0.6) | 5 (0.2) | 25 (0.8) | 5 (0.5) | 5 (4.2) | |
| Others | 110 (2) | 40 (1.9) | 65 (2.1) | 30 (3.1) | N/A | |
| Spinal cord injury | 850 (15.8) | 545 (26.5) | 290 (9.2) | 45 (4.7) | N/A | |
| Elixhauser comorbidity score | 4.82 ± 2.14 | 4.45 ± 2.05 | 5.13 ± 2.14 | 4.67 ± 2.28 | 6± 0 | |
| Insurance | ||||||
| Medicare | 3,820 (70.9) | 1,375 (66.9) | 2,265 (72.1) | 675 (70.7) | 70 (58.3) | |
| Medicaid | 225 (4.2) | 130 (6.3) | 80 (2.5) | 35 (3.7) | 10 (8.3) | |
| Private | 970 (18) | 380 (18.5) | 580 (18.5) | 180 (18.8) | 35 (29.2) | |
| Self-pay | 100 (1.9) | 65 (3.2) | 35 (1.1) | 15 (1.6) | 5 (4.2) | |
| No charge | 10 (0.2) | 10 (0.5) | N/A | N/A | N/A | |
| Others | 250 (4.6) | 90 (4.4) | 175 (5.6) | 50 (5.2) | N/A | |
| Patient location | ||||||
| “Central” counties of metro areas of ≥ 1 million population | 1,335 (24.8) | 470 (22.9) | 785 (25) | 270 (28.3) | 50 (41.7) | |
| “Fringe” counties of metro areas of ≥ 1 million population | 1,335 (24.8) | 520 (25.3) | 785 (25) | 240 (25.1) | 30 (25) | |
| Counties in metro areas of 250,000–999,999 population | 1,185 (22) | 515 (25.1) | 635 (20.2) | 175 (18.3) | 15 (12.5) | |
| Counties in metro areas of 50,000–249,999 population | 495 (9.2) | 205 (10) | 275 (8.8) | 80 (8.4) | 10 (8.3) | |
| Micropolitan counties | 555 (10.3) | 210 (10.2) | 325 (10.4) | 100 (10.5) | 15 (12.5) | |
| Not metropolitan or micropolitan counties | 465 (8.6) | 125 (6.1) | 325 (10.4) | 90 (9.4) | N/A | |
| Discharge disposition | ||||||
| Routine | 1,040 (19.3) | 445 (21.7) | 585 (18.6) | 165 (17.3) | 10 (8.3) | |
| Transfer to short-term hospital | 240 (4.5) | 110 (5.4) | 160 (5.1) | 20 (2.1) | N/A | |
| Transfer other: includes skilled nursing facility, intermediate care facility, another type of facility | 3,115 (57.8) | 1,065 (51.8) | 1,860 (59.2) | 595 (62.3) | 95 (79.2) | |
| Home Health Care | 640 (11.9) | 235 (11.4) | 370 (11.8) | 125 (13.1) | 15 (12.5) | |
| Against Medical Advice | 10 (0.2) | 5 (0.2) | 5 (0.2) | 50 (5.2) | N/A | |
| Died | 335 (6.2) | 190 (9.2) | 160 (5.1) | N/A | N/A | |
| Hospital charges (US dollar) | 162,423.63 ± 16,7112 | 184,558.78 ± 183,818 | 163,523.38 ± 161,991 | 150,966.64 ± 136,839 | 142,685.26 ± 241,209 | |
| Median household income | ||||||
| 0–25th percentile | 1,180 (21.9) | 470 (22.9) | 670 (21.3) | 225 (23.6) | 30 (25.0) | |
| 26th–50th percentile (median) | 1,400 (26.0) | 580 (28.2) | 815 (26.0) | 260 (27.2) | 20 (16.7) | |
| 51st–75th percentile | 1,490 (27.7) | 580 (28.2) | 870 (27.7) | 220 (23.0) | 30 (25.0) | |
| 76th–100th percentile | 1,215 (22.6) | 385 (18.7) | 730 (23.2) | 220 (23.0) | 40 (33.3) | |
Values are presented as mean±standard deviation or number (%).
NA, not available.