Table 3: Clinical characteristics of children with acute respiratory infection.

Total n = 660 < 1 year 1-3 years 4-6 years p-value*
n = 257 n = 314 n = 89
Yes No Not informed Yes No Not informed Yes No Not informed
Cough n 167 73 17 142 161 11 40 47 2 < 0.0001
(%) 65% 28% 7% 45% 51% 4% 45% 53% 2%
Coryza n 67 174 16 136 168 10 27 60 2 0.0001
(%) 26% 68% 6% 43% 54% 3% 30% 67% 2%
Pulmonary Secr. n 56 185 16 107 197 10 30 57 2 0.0066
(%) 22% 72% 6% 34% 63% 3% 34% 64% 2%
Fever n 65 176 16 124 180 10 36 51 2 0.0015
(%) 25% 68% 6% 39% 57% 3% 40% 57% 2%
Nasal Obst. n 64 177 16 99 204 11 22 65 2 0.2054
(%) 25% 69% 6% 32% 65% 4% 25% 73% 2%
Otalgia n 12 230 15 33 270 11 10 77 2 0.0134
(%) 5% 89% 6% 11% 86% 4% 11% 87% 2%
Adventitious Sounds n 61 180 16 100 204 10 31 56 2 0.0702
(%) 24% 70% 6% 32% 65% 3% 35% 63% 2%
Apnea n 37 204 16 65 238 11 15 72 2 0.1916
(%) 14% 79% 6% 21% 76% 4% 17% 81% 2%
Dispnea n 55 186 16 89 214 11 27 60 2 1.1352
(%) 21% 72% 6% 28% 68% 4% 30% 67% 2%
Ocular Prur. n 32 209 16 49 255 10 8 78 3 0.3427
(%) 12% 81% 6% 16% 81% 3% 9% 88% 3%

*Chi-square test: The uninformed data were disregarded in this analysis.