condition mean min max ZT0-3 143.97290347499998 129.89557925 158.05022769999997 ZT4-7 94.5561864275 83.315287055 105.79708579999999 ZT8-11 89.84981223 85.052206285 94.64741817500001 ZT12-15 85.6982137375 82.15696554 89.239461935 ZT16-19 125.82913590000001 121.12263610000001 130.5356357 ZT20-23 107.87518210500001 103.30244056000001 112.44792365