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Table 5 Relationship of vitamin D status and bacterial colonization in CF bronchiectasis

From: Impact of vitamin D status on CF and non-CF bronchiectasis outcomes

Bacterial colonization Vitamin D group P-value
Deficient (< 20 ng/mL) Insufficient (20–29 ng/mL) Sufficient (≥30 ng/mL)
Negative bacterial colonization
Positive bacterial colonization
1(33.3%) 1(33.3%) 1(33.3%) 0.278
14 (83%) 3(17%) 0(0.0%)
Pseudomonas aeruginosa (n=10) 8(80%) 2(20%) 0(0.0%) 0.060*
Staphylococcus aureus (n=5) 4(80.0%) 1(20.0%) 0(0.0%) 0.999
MRSA (n=3) 2(66.7%) 1(33.3%) 0(0.0%) 0.601
Klebsiella (n=0) 0(0.0%) 0(0.0%) 0(0.0%)  
Streptococcus pyogens (n=0) 0(0.0%) 0(0.0%) 0(0.0%)  
  1. *Significant, Kruskal-Wallis test