Table 1. Determinant Ratios for Pabon Lasso Model in the Studied Hospitals During 2007-2011 ^a.

Year	BOR	BTO	ALS
2007	63.86 ± 11.88	72.02 ± 58.18	17.17
2008	66.27 ± 14.87	64.57 ± 39.46	15.12
2009	66.18 ± 13.93	67.36 ± 40.42	13.21
2010	66.51 ± 14.27	66.26 ± 38.67	11.93
2011	66.71 ± 13.81	69.10 ± 39.64	10.59
Mean ± SD	65.91 ± 1.16	67.86 ± 2.85	13.60 ± 2.60

^a Data are presented in Mean ± SD.