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. 2024 Jul 19;12(7):521. doi: 10.3390/toxics12070521

Table 3.

Fitting parameters for single antibiotics [34].

Name Time/h Function a β/b c d e f R2 RMSE pEC 50
Enrofloxacin
(ENR)
4 Cedergreen 0.25 1.959 0.55 −1.37 × 10−4 5.61 × 10−8 −69.936 0.958 0.048 6.595
8 Cedergreen 0.16 3.935 0.851 −0.021 1.10 × 10−8 −1.92 × 108 0.981 0.063 7.152
12 Cedergreen 0.163 4.813 0.963 −0.051 1.06 × 10−8 −8.59 × 108 0.996 0.042 7.281
Chlortetracycline
(CTC)
4 Weibull 9.118 1.547 —— —— —— —— 0.977 0.033 6.133
8 Weibull 12.759 2.059 —— —— —— —— 0.991 0.033 6.374
12 Weibull 16.574 2.647 —— —— —— —— 0.995 0.024 6.4
Trimethoprim
(TMP)
4 Weibull 7.667 1.53 —— —— —— —— 0.921 0.056 5.012
8 Weibull 14.379 2.48 —— —— —— —— 0.958 0.068 5.797
12 Weibull 30.373 4.961 —— —— —— —— 0.983 0.053 6.123
Trimethoprim
(CMP)
4 Weibull 8.627 1.457 —— —— —— —— 0.971 0.023 5.92
8 Weibull 13.133 2.042 —— —— —— —— 0.984 0.04 6.431
12 Weibull 22.964 3.442 —— —— —— —— 0.984 0.05 6.672
Erythromycin
(ETM)
4 Weibull 10.433 1.722 —— —— —— —— 0.979 0.031 6.273
8 Weibull 16.676 2.526 —— —— —— —— 0.978 0.051 6.747
12 Weibull 41.778 6.185 —— —— —— —— 0.992 0.037 6.814

Note: pEC50 is the half effect concentration (EC50) taken as a negative logarithmic value; —— indicates no data.