Table 1.

Comprehensive OLS regression of log₁₀ microbial concentration depending on triclosan, material, strain and timeslot.

log(CFU)	Coef.	St.Err.	t-Value	p-Value	95% Conf	Interval	Sig.
S. epidermidis CIP 8155T	0	Reference level for microorganisms
C. albicans ATCC 10231	−0.097	0.124	−0.78	0.436	−0.339	0.147
C. albicans clinical	−0.205	0.124	−1.66	0.098	−0.448	0.038
E. coli ATCC 25929	0.052	0.124	0.42	0.674	−0.191	0.295
E. coli ESBL clinical	0.183	0.124	1.48	0.140	−0.060	0.426
MRSA ATCC 33592	0.152	0.124	1.23	0.221	−0.195	0.395
MRSA clinical strain	0.048	0.124	0.38	0.700	−0.205	0.291
P. aeruginosa clinical	1.306	0.124	10.55	0.000	1.063	1.549	*
S. aureus ATCC 29213	0.170	0.124	1.37	0.170	−0.073	0.413
Polyglecaprone 25	0	Reference level for suture materials
Polyglactin 910	0.035	0.072	0.47	0.637	−0.105	0.175
Polydioxanone	−0.015	0.072	−0.21	0.835	−0.156	0.125
No triclosan	0	Reference level for use of triclosan
Triclosan	−2.256	0.058	−38.64	0.000	−2.370	−2.141	*
0 h	0	Reference level for hours
4	−0.379	0.083	−4.66	0.000	−0.541	−0.217	*
8	−0.237	0.083	−2.90	0.005	−0.399	−0.075	**
24	0.416	0.083	5.11	0.000	0.254	0.578	*
Overall model intercept	4.400	0.113	38.92	0.000	4.179	4.622	*
Number of obs		1296		Number of groups		324
F-test		df = 141,281		p-value		<0.0001
R-squared		0.5847		Adjusted R-squared		0.5802

* p < 0.001, ** p < 0.005, Sig.: significant, df: degrees of freedom, St. Err.: standard error. Hausman test: significance of: fails to meet the asymptotic assumptions. Breusch and Pagan Lagrangian multiplier test (LM) for random effects: p-value = 0.2085.