The Effect of Sub-MIC β-Lactam Antibiotic Exposure of Pseudomonas aeruginosa Strains from People with Cystic Fibrosis in a Desiccation Survival Model

Table 2

Comparison of first order decay and Weibull survival models.

	Model
Bacterial strain	First order decay		Weibull			Preferred model	𝑃
	𝑘	𝑅^2	𝛿	𝑝	𝑅^2
Environmental	0.16	0.6599	0.15	0.30	0.9397	Weibull	<0.0001
Liverpool	0.03	0.4678	0.003	0.18	0.6918	Weibull	0.0001
Liverpool mucoid	0.12	0.5336	0.003	0.15	0.9618	Weibull	<0.0001
Manchester	0.10	0.8418	1.46	0.37	0.9478	Weibull	<0.0001
Paediatric	0.19	0.6104	0.16	0.34	0.8550	Weibull	<0.0001
Paediatric mucoid	0.14	0.5564	0.03	0.22	0.9635	Weibull	<0.0001
Seacroft	0.02	0.8168	0.31	0.35	0.9836	Weibull	<0.0001
Seacroft/Liverpool	0.14	0.7438	0.32	0.30	0.9107	Weibull	<0.0001
Unique CF	0.15	0.9026	1.73	0.51	0.9746	Weibull	<0.0001
Unique CF mucoid	0.10	0.8527	2.03	0.41	0.9402	Weibull	<0.0001