Table 2A.
General characteristics of patients with diagnostic codes indicating temporomandibular joint disorder in Korea
| Category | Patient | Visit count | |||||||
| Total N (10 041) |
% | Total N (24 126) |
% | Mean | SD | Min | Max | ||
| Age | 0–9 | 99 | 1.0 | 158 | 0.7 | 1.6 | 2.5 | 1 | 19 |
| 10–19 | 1813 | 18.1 | 4373 | 18.1 | 2.4 | 3.1 | 1 | 29 | |
| 20–29 | 2737 | 27.3 | 6200 | 25.7 | 2.3 | 3.0 | 1 | 48 | |
| 30–39 | 1570 | 15.6 | 3482 | 14.4 | 2.2 | 2.8 | 1 | 31 | |
| 40–49 | 1329 | 13.2 | 3028 | 12.6 | 2.3 | 3.1 | 1 | 50 | |
| 50–59 | 1137 | 11.3 | 3086 | 12.8 | 2.7 | 6.0 | 1 | 108 | |
| 60–69 | 782 | 7.8 | 2103 | 8.7 | 2.7 | 4.2 | 1 | 51 | |
| ≥70 | 574 | 5.7 | 1696 | 7.0 | 3.0 | 5.2 | 1 | 63 | |
| Sex | Male | 4128 | 41.1 | 8587 | 35.6 | 2.1 | 3.1 | 1 | 108 |
| Female | 5913 | 58.9 | 15 539 | 64.4 | 2.6 | 4.0 | 1 | 108 | |
| Payer type* | NHI | 9790 | 97.5 | 23 583 | 97.7 | 2.4 | 3.7 | 1 | 108 |
| MD | 255 | 2.5 | 522 | 2.2 | 2.0 | 2.3 | 1 | 16 | |
| Others | 4 | 0.0 | 21 | 0.1 | 5.3 | 4.3 | 1 | 11 | |
| Surgery† | No | 9970 | 99.3 | 24 034 | 99.6 | 2.4 | 3.7 | 1 | 108 |
| Yes | 71 | 0.7 | 92 | 0.4 | 1.3 | 0.9 | 1 | 6 | |
| Visit type | WM IP | 1 | 0.0 | 1 | 0.0 | 1.0 | – | 1 | 1 |
| WM OP | 980 | 9.8 | 1491 | 6.2 | 1.5 | 1.8 | 1 | 22 | |
| DM IP | 7 | 0.1 | 7 | 0.0 | 1.0 | – | 1 | 1 | |
| DM OP | 8627 | 85.9 | 18 565 | 77.0 | 2.2 | 2.8 | 1 | 108 | |
| PHC IP | – | – | – | – | – | – | – | – | |
| PHC OP | 15 | 0.1 | 33 | 0.1 | 2.2 | 1.5 | 1 | 6 | |
| KM IP | 1 | 0.0 | 1 | 0.0 | 1.0 | – | 1 | 1 | |
| KM OP | 825 | 8.2 | 4028 | 16.7 | 4.9 | 7.7 | 1 | 108 | |
| Medical specialty | CD | 4309 | 42.9 | 7604 | 31.5 | 1.8 | 2.6 | 1 | 108 |
| OM | 2133 | 21.2 | 5990 | 24.8 | 2.8 | 3.1 | 1 | 45 | |
| OMS | 2566 | 25.6 | 4250 | 17.6 | 1.7 | 2.0 | 1 | 48 | |
| IKM | 432 | 4.3 | 2234 | 9.3 | 5.2 | 9.0 | 1 | 108 | |
| AMM | 356 | 3.5 | 1620 | 6.7 | 4.6 | 5.8 | 1 | 50 | |
| OS | 405 | 4.0 | 648 | 2.7 | 1.6 | 1.9 | 1 | 22 | |
| Medical institution type | TH | 714 | 7.1 | 1705 | 7.1 | 2.4 | 4.9 | 1 | 107 |
| Hospital | 93 | 0.9 | 128 | 0.5 | 1.4 | 1.4 | 1 | 11 | |
| Clinic | 823 | 8.2 | 1260 | 5.2 | 1.5 | 1.8 | 1 | 22 | |
| DM hospital | 1669 | 16.6 | 3958 | 16.4 | 2.4 | 2.4 | 1 | 25 | |
| DM clinic | 6656 | 66.3 | 12 995 | 53.9 | 2.0 | 2.5 | 1 | 48 | |
| KM hospital | 70 | 0.7 | 222 | 0.9 | 3.2 | 3.6 | 1 | 22 | |
| KM clinic | 757 | 7.5 | 3809 | 15.8 | 5.0 | 8.0 | 1 | 108 | |
| Others | 30 | 0.3 | 49 | 0.2 | 1.6 | 1.2 | 1 | 6 | |
*Others, national free medical treatment or veteran healthcare.
†Surgery was counted as ‘once’ if a patient had at least one surgery performed.
AMM, acupuncture and moxibustion medicine; CD, conservative dentistry; DM, dental medicine; GH, general hospital; IKM, internal Korean medicine; IP, inpatient; KM, Korean medicine; LCH, long-term care hospital; MD, medicaid; NHI, national health insurance; OM, oral medicine; OMS, oral and maxillofacial surgery; OP, outpatient; OS, orthopaedic surgery; PHC, public health centre; TH, tertiary hospital; WM, western medicine.