borderline significancep = 0.06
Moreover, fever (64.3% vs 19.6%, p < 0.0001) and cough (42.9% vs 15.0%, p = 0.0003) were significantly more frequent in false than true negatives, while chronic obstructive pulmonary disease was more frequent in true than false negatives, with a borderline significance (16.5% vs 4.8%, p = 0.06).