condition mean min max ZT0-3 1563.9 1563.9 1563.9 ZT4-7 980.1 980.1 980.1 ZT8-11 1069.3 1069.3 1069.3 ZT12-15 1719.0 1719.0 1719.0 ZT16-19 2204.25 2204.25 2204.25 ZT20-23 2101.8 2101.8 2101.8