condition mean min max ZT0-3 524.05 524.05 524.05 ZT4-7 858.3 858.3 858.3 ZT8-11 1658.1 1658.1 1658.1 ZT12-15 1391.1499999999999 1391.1499999999999 1391.1499999999999 ZT16-19 596.45 596.45 596.45 ZT20-23 566.65 566.65 566.65