Table 2.

Type of sample and clinical indications of the 143 respiratory samples.

	No. (%) of samples (a)
Type of sample
Nose-throat swab	108 (75)
Bronchoalveolar lavage	35 (25)
Clinical indication for test
upper respiratory tract infection	29 (24)
lower respiratory tract infection	93 (76)

(a) Samples obtained from 120 patients, of whom 22 patients with more than one sample:

• •
  20 patients with NTS and BAL for the same clinical indication.
• •
  One patient with one NTS during first respiratory episode, 1 month later NTS and BAL during second respiratory episode.
• •
  One patient with NTS and BAL for different respiratory episodes.