condition mean min max ZT0-3 650.15 650.15 650.15 ZT4-7 864.9 864.9 864.9 ZT8-11 1017.9 1017.9 1017.9 ZT12-15 855.15 855.15 855.15 ZT16-19 745.7 745.7 745.7 ZT20-23 549.1 549.1 549.1