condition mean min max ZT0-3 58.4 58.4 58.4 ZT4-7 86.8 86.8 86.8 ZT8-11 103.30000000000001 103.30000000000001 103.30000000000001 ZT12-15 124.85 124.85 124.85 ZT16-19 110.9 110.9 110.9 ZT20-23 112.55 112.55 112.55