condition mean min max ZT0-3 661.3315 661.3315 661.3315 ZT4-7 622.904 622.904 622.904 ZT8-11 517.947 517.947 517.947 ZT12-15 523.708 523.708 523.708 ZT16-19 575.5895 575.5895 575.5895 ZT20-23 676.645 676.645 676.645