Table 1. A comparison number of performed bronchoscopies at ENT clinic Tuzla.

Period	Total (no.)	Per year (No.)	Mortality (%)
1971-1985	204	14.57	0.7
1987-1998	230	19.01	0.87
1999-2004	172	28.60	0
2004-2013	166	18.44	0
TOTAL	772	18.38	0.785