Diagnostic sensitivity and efficacy of respiratory specimens and combined nasal-throat (NT) swabs by viral etiology.

Underlined and bold numbers indicate significant differences in paired values by McNemar's test:ibetween nasal swabs and NPA (p = 0.05);iibetween NPA and throat swabs (p = 0.006);iiibetween nasal swabs and throat swabs (p = 0.01);ivbetween throat swabs and NPA (p = 0.02);vbetween NT swabs and NPA ( = 0.001).*refers to the total number of positive cases, defined as the detection of any viral pathogen in any specimen per patient.#refers to cases in whose samples enterovirus or human rhinovirus A was detected.