condition mean min max ZT0-3 5036.200000000001 5036.200000000001 5036.200000000001 ZT4-7 4520.3 4520.3 4520.3 ZT8-11 4614.85 4614.85 4614.85 ZT12-15 4292.4 4292.4 4292.4 ZT16-19 4667.3 4667.3 4667.3 ZT20-23 5340.95 5340.95 5340.95