condition mean min max ZT0-3 70.85 70.85 70.85 ZT4-7 108.3 108.3 108.3 ZT8-11 89.4 89.4 89.4 ZT12-15 76.9 76.9 76.9 ZT16-19 88.9 88.9 88.9 ZT20-23 98.30000000000001 98.30000000000001 98.30000000000001