Location General sample IPV
N %a N %b
Upper limb 774 19.4% 59 9.6%
Lower limb 521 14.0% 27 4.4%
Neurocranium 335 9% 72 11.8%
Thorax/chest 267 7.2% 42 6.9%
Neck 89 2.4% 15 2.5%
Abdomen 84 2.3% 17 2.8%

aThe calculation is based on whole sample (n = 3724).
bThe calculation is based on patients that involved with IPV (n = 612).
N = number of patients.