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. Author manuscript; available in PMC: 2013 Jun 26.
Published in final edited form as: Pediatr Pulmonol. 2008 May;43(5):463–471. doi: 10.1002/ppul.20794

TABLE 1.

Characteristics of Patients by Mucoid P. aeruginosa Status at First Culture

Mucoid P. aeruginosa
positive (N = 191)
 Mucoid P. aeruginosa
negative (N =323)		 P-value
Male gender 96(52%) 167 (52%) 0.78
# DF508 alleles1 0.69
  0 34(20%) 59 (19%)
  1 65(38%) 108 (35%)
  2 71(42%) 141 (46%)
Age at first culture (years) 18.9 (9.2, 34.4) 5.7 (0.3, 21.0) <0.001
Years from diagnosis to first culture2 14.6 (2.5, 29.3) 1.9 (0.0, 16.5) <0.001

For categorical characteristics, data are n (%) and P values are from Fisher’s exact test. For continuous characteristics, data are median (10th percentile, 90th percentile) and P values are from the Mann– Whitney–Wilcoxon test.

1

N = 170 mucoid P. aeruginosa positive, N =308 mucoid P. aeruginosa negative with genotype data.

2

N = 170 mucoid P. aeruginosa positive, N = 300 mucoid P. aeruginosa negativewith known date ofdiagnosis.