TABLE 1.

Epidemiological and clinical characteristics of study patients

VariableResult for patients:
S. aureus positive (n = 120)S. aureus negative (n = 132)
SCV (n = 20)NCV (n = 100)
Median age (range) in yr at study entry31.5 (2-61)16.5 (0-45)20 (1-54)
No. (%) of men8 (40)55 (55)73 (55)
No. (%) positive for P. aeruginosa16 (80)53 (53)95 (72)
No. (%) positive for B. cepacia0 (0)3 (3)7 (5)
No. (%) underweighta5 (25)14 (14)38 (29)
Median (range) % predicted FEV1b67 (26-104)85 (26-141)71 (19-131)
No. (%) who needed i.v. antibioticc13 (65)23 (23)51 (39)
No. (%) with prior long-term oral antibioticsd12 (60)22 (22)74 (56)
No. (%) with prior use of SXTd8 (40)8 (8)22 (17)
  • a Defined as BMI of <19 or weight/height ratio of <90%.

  • b Patients aged ≥6 years: n = 19 and 90 for S. aureus-positive SCV and NCV, respectively, and n = 111 for S. aureus negative.

  • c During study period.

  • d During the last 3 years.