Table 1.

Statistical parameters of the two models for inactivation applied to results obtained with strains Escherichia coli K88 and K99

	E. coli K88		E. coli K99
	Log linear plus tail	Weibull plus tail	Log linear plus tail	Weibull plus tail
MSEa	0·2594	0·2686	0·3874	0·3835
RMSEb	0·5093	0·5182	0·6224	0·6193
R‐square	0·9504	0·9511	0·9167	0·9235
R‐square adjusted	0·9457	0·9438	0·9048	0·9058
4D reductionc reached at (J l−1)	3105·9	3105·9	3427·2	3427·2

^aMSE: Mean sum of squared error.

^bRMSE: Root mean sum of squared error. The lowest RMSE value determines the inactivation model with the best fit. The lowest RMSE value is showed in bold in the table.

^c4D reduction: UV‐C dose irradiation in J l⁻¹ at which a 4 Log reduction was achieved.

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