condition mean min max ZT0-3 74.6 74.6 74.6 ZT4-7 54.9 54.9 54.9 ZT8-11 48.55 48.55 48.55 ZT12-15 54.6 54.6 54.6 ZT16-19 74.25 74.25 74.25 ZT20-23 116.05000000000001 116.05000000000001 116.05000000000001