condition mean min max ZT0-3 119.15 119.15 119.15 ZT4-7 87.7 87.7 87.7 ZT8-11 95.85 95.85 95.85 ZT12-15 120.89999999999999 120.89999999999999 120.89999999999999 ZT16-19 107.85 107.85 107.85 ZT20-23 106.65 106.65 106.65