Table 2.
Reference | No. of Cases (No. of Feet) | Reported Incidence |
---|---|---|
Sinha et al. 1971 [55] | 101 (N/A) | 0.1 % |
Cofield et al. 1983 [56] | 96 (116) | 7.5–29 % |
Sella et al. 1999 [7] | 40 (51) | 5 % |
Fabrin and Holstein 2000 [13] | 115 (140) | 0.3 %/year |
Sanders et al. 2001 [57] | N/A | 0.1–7.5 % |
Rajbhandari 2002 [58] | N/A | 0.1–0.4 % |
Hartemann-Heurtier et al. 2002 [59] | N/A | 0.2–3 % |
Lavery et al. 2003 [14] | N/A | 0.0085 %/year |
Adapted from Frykberg, R and Belczyk, R [17]. A brief review of the literature demonstrating the relative low incidence of CN in the overall population. There is a range of incidences reported from 0.10 to 29.00 % and seems consistent over time