condition mean min max ZT0-3 142.45 142.45 142.45 ZT4-7 117.8 117.8 117.8 ZT8-11 144.45 144.45 144.45 ZT12-15 122.05 122.05 122.05 ZT16-19 152.7 152.7 152.7 ZT20-23 198.64999999999998 198.64999999999998 198.64999999999998