condition mean min max ZT0-3 2822.6 2822.6 2822.6 ZT4-7 4146.0 4146.0 4146.0 ZT8-11 4678.85 4678.85 4678.85 ZT12-15 5106.15 5106.15 5106.15 ZT16-19 4314.05 4314.05 4314.05 ZT20-23 3328.0 3328.0 3328.0