condition mean min max ZT0-3 784.0155 784.0155 784.0155 ZT4-7 392.315 392.315 392.315 ZT8-11 484.323 484.323 484.323 ZT12-15 987.9314999999999 987.9314999999999 987.9314999999999 ZT16-19 839.284 839.284 839.284 ZT20-23 1507.565 1507.565 1507.565