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Table 1 Comparison of the species richness, evenness, diversity of the 16S rRNA gene clones from two groups of ACs.

From: Microbiological pattern of arterial catheters in the intensive care unit

AC group (based on Maki's results) Catheter numbers Maki result No. of clones No. of OTUs ≥97% Richness indices Evenness index Diversity index
      Chao ACE   Shannon Simpson
Uncolonised ACs 1 No-growth 31 18      
  11 No-growth 24 19      
  16 No-growth 27 15      
  48 55 0.88 3.31 0.05     
  17 No-growth 48 20      
  19 No-growth 48 20      
  Total 178 44      
Colonised ACs 3 mixed coagulase-negative
Staphylococci
30 19      
  7 S. epidermidis >100 cfu 47 22      
  12 mixed coagulase-negative
Staphylococci
90 39 61 69 0.81 3.20 0.07
  13 S. epidermidis >100 cfu 24 16      
  14 P. aeruginosa >100 cfu 48 19      
  Total 239 51