condition mean min max ZT0-3 463.18631547499996 400.7785166 525.5941143499999 ZT4-7 386.3883388666667 384.8337147 387.94296303333334 ZT8-11 476.24404605 471.8878771 480.600215 ZT12-15 475.85473759999996 444.41066379999995 507.2988114 ZT16-19 558.0425846833334 526.0682587666666 590.0169106000001 ZT20-23 600.35145535 589.6252459000001 611.0776648