Review Article
The Epidemiology and Demographics of Legg-Calvé-Perthes' Disease
Table 3
Severity of epiphyseal involvement in Legg-Calvé-Perthes’ disease.
| Study | Year | Location | Catterall class | Lateral pillar group | I | II | III | IV | A | B | BC | B + BC | C |
| Rosenfeld et al. [29] | 2007 | Dallas, TX | | | | | 7 | 108 | 30 | 138 | 43 | Catterall [1] | 1971 | London, England | 31 | 31 | 22 | 13 | | | | | | Guille et al. [32] | 1998 | Wilmington, DE | 37 | 120 | 228 | 233 | 155 | 204 | | 204 | 204 | Wang et al. [33] | 1990 | Taipei, Taiwan | 0 | 7 | 19 | 21 | | | | | | Kim et al. [7] | 2006 | Japan | 30 | 103 | 352 | 210 | 68 | 350 | | 350 | 157 | Herring et al. [35] | 2004 | USA | | | | | 6 | 218 | 61 | 279 | 60 | Wijesekera [10] | 1984 | Kurunegala, Sri Lanka | 13 | 21 | 33 | 11 | | | | | | Chacko et al. [36] | 1986 | Karnataka, India | 1 | 13 | 56 | 33 | | | | | |
| Total | 112 | 295 | 710 | 521 | 236 | 880 | 91 | 971 | 464 |
| Percentage | 6.8 | 18.0 | 43.3 | 31.8 | 14.1 | 52.7 | 5.4 | 58.1 | 27.8 |
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