condition mean min max ZT0-3 566.05 566.05 566.05 ZT4-7 440.1 440.1 440.1 ZT8-11 421.85 421.85 421.85 ZT12-15 470.85 470.85 470.85 ZT16-19 480.8 480.8 480.8 ZT20-23 601.6500000000001 601.6500000000001 601.6500000000001