condition mean min max ZT0-3 156.65 156.65 156.65 ZT4-7 154.1 154.1 154.1 ZT8-11 126.1 126.1 126.1 ZT12-15 114.85 114.85 114.85 ZT16-19 95.4 95.4 95.4 ZT20-23 124.80000000000001 124.80000000000001 124.80000000000001