Table 1. Percentages of preoperative induction therapy in two time periods, 1994–2003 and 2004–2012.

Treatment period	Induction therapy, n (%)		Total, n (%)
	No	Yes
2014–2012	1,430 (96.2)	57 (3.8)	1,487 (100.0)
1994–2003	215 (95.1)	11 (4.9)	226 (100.0)
Total	1,645 (96.0)	68 (4.0)	1,713 (100.0)