Etiology | | Complications | Mortality |
Infectious causes n(%) | 80(60,6) | 28(62,2) | 20(45,4) |
Pneumonia n(%) | 37(28) | 19(51,4)* | 15(40,5) |
Acute bronchitis n(%) | 43(32,6) | 9(20,9)* | 5(11,6)* |
Non infectious causes n(%) | 28(21,2) | 8(28,5) | 9(32,1) |
No causes n(%) | 24(18,2) | 9(37,5) | 15(62,5)* |