condition mean min max ZT0-3 673.05 673.05 673.05 ZT4-7 464.9 464.9 464.9 ZT8-11 443.1 443.1 443.1 ZT12-15 616.05 616.05 616.05 ZT16-19 844.6 844.6 844.6 ZT20-23 847.6 847.6 847.6