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

BMC Microbiology

Table 4 Significance of differences in values presented in Table 3

Variable^a	Image stacks (#)^b	Total biovolume (μm³/μm²)^b	Mean thickness (μm)^b	Roughness coefficient^b	Total surface area × 10⁷ (μm²)^b	Surface to volume ratio (μm²/μm³)^b
Prototrophs and clinical isolate
PAK vs. PAO1	10	NS^c	NS	NS	NS	NS
PA103 vs. PAO1	10	Decrease^d 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

ISSN: 1471-2180