condition mean min max ZT0-3 86.1 86.1 86.1 ZT4-7 86.5 86.5 86.5 ZT8-11 136.5 136.5 136.5 ZT12-15 117.05 117.05 117.05 ZT16-19 123.45 123.45 123.45 ZT20-23 128.95 128.95 128.95