condition mean min max ZT0-3 110.5 110.5 110.5 ZT4-7 86.1 86.1 86.1 ZT8-11 45.7 45.7 45.7 ZT12-15 106.05 106.05 106.05 ZT16-19 119.4 119.4 119.4 ZT20-23 105.95 105.95 105.95