Table 1.

Patient Characteristics.

Sample size	82
Age, y, mean (range)	58.9 (12-82)
Gender, male:female	60:22
Ethnicity, n
Chinese	63
Malay	9
Indian	5
Others	5
Pathology, n
Congenital	1
Trauma	20
Infective	5
Inflammatory	3
Malignancy	13
Degenerative	40