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Table 4 Significance of differences in values presented in Table 3

From: Characterization of biofilm-like structures formed by Pseudomonas aeruginosa in a synthetic mucus medium

Variablea Image stacks (#)b Total biovolume (μm3/μm2)b Mean thickness (μm)b Roughness coefficientb Total surface area × 107 (μm2)b Surface to volume ratio
(μm2/μm3)b
Prototrophs and clinical isolate
PAK vs. PAO1 10 NSc NS NS NS NS
PA103 vs. PAO1 10 Decreased 0.0004 Decrease 0.0313 NS NS NS
CI-4 vs. PAO1 10 Decrease <0.0001 Decrease <0.0001 Increase <0.0001 Decrease 0.0417 Increase <0.0001
Quorum-sensing mutants
PAO-R1 vs. PAO1 10 NS Increase 0.0241 Decrease 0.0172 NS NS
PAO-JP1 vs. PAO1 10 NS NS NS NS NS
PDO111 vs. PAO1 10 Decrease <0.0001 Decrease <0.0001 Increase 0.0027 NS Increase <0.0001
PDO100 vs. PAO1 10 Decrease 0.0026 Decrease 0.0120 Increase 0.0020 NS Increase 0.0175
PW2798 vs. PAO1 10 NS NS NS NS NS
  1. aAll strains carry pMRP9-1 and were grown under 10% EO2 without shaking.
  2. bSee Table 1 for description of parameters.
  3. cNS, no significant difference.
  4. dSignificant change with P value indicated below direction of change.