Table 1.
Baseline Characteristics of the Study Population.
| Variables | Before Matching | p-Value | After Matching | ||||
|---|---|---|---|---|---|---|---|
| SCI | Non-SCI | SCI | Non-SCI | ||||
| (n = 5670) | (n = 705,937) | (n = 5639) | (n = 22,080) | ||||
| Age | 54.2 ± 18.5 | 38.6 ± 15.1 | <0.0001 | 54.0 ± 18.4 | 53.4 ± 18.0 | 0.0665 | |
| Sex | Male | 2694 (47.5%) | 351,273 (49.8%) | 0.0008 | 2685 (47.6%) | 10,621 (48.1%) | 0.5131 |
| Female | 2976 (52.5%) | 354,664 (50.2%) | 2954 (52.4%) | 11,459 (51.9%) | |||
| Insurance level (NTD $) | ≤15,840 | 1469 (25.9%) | 161,232 (22.8%) | <0.0001 | 1457 (25.8%) | 5704 (25.8%) | 0.8683 |
| 15,840–25,000 | 2804 (49.5%) | 307,082 (43.5%) | 2789 (49.5%) | 10,850 (49.1%) | |||
| >25,000 | 1397 (24.6%) | 237,623 (33.7%) | 1393 (24.7%) | 5526 (25.0%) | |||
| Deyo’s CCI | 0 | 2369 (41.8%) | 608,474 (86.2%) | <0.0001 | 2368 (42.0%) | 9464 (42.9%) | 0.2252 |
| 1 | 1212 (21.4%) | 66,371 (9.4%) | 1209 (21.4%) | 4814 (21.8%) | |||
| ≥2 | 2089 (36.8%) | 31,092 (4.4%) | 2062 (36.6%) | 7802 (35.3%) | |||
| Psychiatric OPD visits | 0 | 4684 (82.6%) | 628,024 (89.0%) | <0.0001 | 4672 (82.9%) | 18,381 (83.2%) | 0.6039 |
| 1 | 243 (4.3%) | 21,445 (3.0%) | 239 (4.2%) | 874 (4.0%) | |||
| ≥2 | 743 (13.1%) | 56,468 (8.0%) | 728 (12.9%) | 2825 (12.8%) | |||
Abbreviations: SCI, spinal cord injury; CCI, Charlson Comorbidity Index; OPD, outpatient department; NTD, New Taiwan Dollar.