condition mean min max ZT0-3 128.0 128.0 128.0 ZT4-7 139.5 139.5 139.5 ZT8-11 149.0 149.0 149.0 ZT12-15 132.55 132.55 132.55 ZT16-19 122.15 122.15 122.15 ZT20-23 96.1 96.1 96.1