Table 2 Proportion and annual incidence rate of patients who underwent surgery for ONHH and ONFH between 2008 and 2018
Year | TRA | HA | CO | VFG | CD | Total |
|---|---|---|---|---|---|---|
ONHH | 524 (51.0%) | 463 (45.0%) | 6 (0.6%) | 0 (0.0%) | 35 (3.4%) | 1,028 |
2008 | 9 (19.1%) | 34 (72.3%) | 0 (0.0%) | 0 (0.0%) | 4 (8.5%) | 47 (0.13) |
2009 | 11 (22.4%) | 37 (75.5%) | 1 (2.0%) | 0 (0.0%) | 0 (0.0%) | 49 (0.13) |
2010 | 28 (36.8%) | 43 (56.6%) | 0 (0.0%) | 0 (0.0%) | 5 (6.6%) | 76 (0.20) |
2011 | 29 (36.7%) | 48 (60.8%) | 0 (0.0%) | 0 (0.0%) | 2 (2.5%) | 79 (0.20) |
2012 | 39 (38.6%) | 59 (58.4%) | 0 (0.0%) | 0 (0.0%) | 3 (3.0%) | 101 (0.26) |
2013 | 40 (42.1%) | 51 (53.7%) | 1 (1.1%) | 0 (0.0%) | 3 (3.2%) | 95 (0.24) |
2014 | 55 (57.3%) | 39 (40.6%) | 0 (0.0%) | 0 (0.0%) | 2 (2.1%) | 96 (0.24) |
2015 | 63 (55.3%) | 42 (36.8%) | 3 (2.6%) | 0 (0.0%) | 6 (5.3%) | 114 (0.27) |
2016 | 77 (63.6%) | 38 (31.4%) | 0 (0.0%) | 0 (0.0%) | 6 (5.0%) | 121 (0.30) |
2017 | 71 (62.8%) | 40 (35.4%) | 0 (0.0%) | 0 (0.0%) | 2 (1.8%) | 113 (0.27) |
2018 | 102 (74.5%) | 32 (23.4%) | 1 (0.7%) | 0 (0.0%) | 2 (1.5%) | 137 (0.33) |
ONFH | 55,417 (86.2%) | 4,252 (6.6%) | 171 (0.3%) | 62 (0.1%) | 4,359 (6.8%) | 64,261 |
2008 | 3,516 (81.3%) | 400 (9.3%) | 40 (0.9%) | 9 (0.2%) | 358 (8.3%) | 4,323 (11.56) |
2009 | 3,829 (83.6%) | 364 (7.9%) | 19 (0.4%) | 7 (0.2%) | 360 (7.9%) | 4,579 (12.10) |
2010 | 4,094 (83.3%) | 425 (8.6%) | 17 (0.3%) | 9 (0.2%) | 369 (7.5%) | 4,914 (12.85) |
2011 | 4,473 (83.8%) | 378 (7.1%) | 19 (0.4%) | 5 (0.1%) | 461 (8.6%) | 5,336 (13.80) |
2012 | 4,736 (83.1%) | 452 (7.9%) | 15 (0.3%) | 5 (0.1%) | 489 (8.6%) | 5,697 (14.56) |
2013 | 5,198 (85.0%) | 430 (7.0%) | 11 (0.2%) | 3 (0.0%) | 474 (7.8%) | 6,116 (15.45) |
2014 | 5,194 (85.7%) | 369 (6.1%) | 14 (0.2%) | 9 (0.1%) | 477 (7.9%) | 6,063 (15.13) |
2015 | 5,612 (87.4%) | 408 (6.4%) | 9 (0.1%) | 4 (0.1%) | 386 (6.0%) | 6,419 (15.16) |
2016 | 6,106 (89.4%) | 346 (5.1%) | 11 (0.2%) | 8 (0.1%) | 359 (5.3%) | 6,830 (16.68) |
2017 | 6,354 (90.1%) | 374 (5.3%) | 6 (0.1%) | 3 (0.0%) | 318 (4.5%) | 7,055 (17.06) |
2018 | 6,305 (91.0%) | 306 (4.4%) | 10 (0.1%) | 0 (0.0%) | 308 (4.4%) | 6,929 (16.61) |