Median intervals from specimen collection to test result were @ minutes -LSB- interquartile range ( IQR ) @-@ minutes ) for Quidel Influenza A+B POCT , @ minutes ( IQR @-@ minutes ) for BinaxNOW pneumococcal POCT , @ hours ( IQR @-@ @ hours ) for semi-nested conventional PCR , @ hours ( IQR @-@ @ hours ) for real-time PCR , @ hours ( IQR @-@ @ hours ) for culture of influenza and @ hours ( IQR @-@ @ hours ) and @ hours ( IQR @-@ @ hours ) for culture of S. pneumoniae in blood and sputum , respectively .