Model AIC EC50 (ng/mL) EMAX (%) Hill slope
1 80.3 1380 (778, 1981)
2 77.1 165 (-214, 544) 58 (40, 76)
3 75.5 1268 (21, 2516) 0.3 (-0.1, 0.8)
4 77.6 1249 (-71327, 73824) 100 (-859, 1059) 0.3 (-2.9, 3.6)