condition mean min max ZT0-3 5870.7 5870.7 5870.7 ZT4-7 7225.5 7225.5 7225.5 ZT8-11 6286.55 6286.55 6286.55 ZT12-15 5597.8 5597.8 5597.8 ZT16-19 4256.6 4256.6 4256.6 ZT20-23 4504.15 4504.15 4504.15