condition mean min max ZT0-3 511.3585 511.3585 511.3585 ZT4-7 477.293 477.293 477.293 ZT8-11 482.317 482.317 482.317 ZT12-15 336.836 336.836 336.836 ZT16-19 582.8995 582.8995 582.8995 ZT20-23 492.3175 492.3175 492.3175