condition mean min max ZT0-3 3310.55 3310.55 3310.55 ZT4-7 3788.9 3788.9 3788.9 ZT8-11 3187.55 3187.55 3187.55 ZT12-15 2984.2 2984.2 2984.2 ZT16-19 2585.8 2585.8 2585.8 ZT20-23 3137.2 3137.2 3137.2