condition mean min max ZT0-3 891.6 891.6 891.6 ZT4-7 1293.5 1293.5 1293.5 ZT8-11 1284.3 1284.3 1284.3 ZT12-15 1069.6 1069.6 1069.6 ZT16-19 1680.8 1680.8 1680.8 ZT20-23 1389.8000000000002 1389.8000000000002 1389.8000000000002