condition mean min max ZT0-3 61.0868 61.0868 61.0868 ZT4-7 45.71215 45.71215 45.71215 ZT8-11 46.7731 46.7731 46.7731 ZT12-15 64.66275 64.66275 64.66275 ZT16-19 80.7465 80.7465 80.7465 ZT20-23 66.12105 66.12105 66.12105