condition mean min max ZT0-3 3229.1 3229.1 3229.1 ZT4-7 1424.2 1424.2 1424.2 ZT8-11 1539.95 1539.95 1539.95 ZT12-15 2170.75 2170.75 2170.75 ZT16-19 2380.8 2380.8 2380.8 ZT20-23 2896.1 2896.1 2896.1