Table 1

		Min-Max	Mean ± SD
Age		18-91	60.97 ± 15.98
		n	%
Gender	Male	195	47.2
Gender	Female	215	52.8
Year of record	2006	21	5.4
	2007	95	22.4
	2008	101	24.8
	2009	105	25.8
	2010	88	21.6

Table 1: Distribution of patient characteristics.