highly significantP < 0.0005
The exponential model on a log e H vs Y scale also demonstrated a highly significant linear relationship (F 1,5 = 137.08, P < 0.0005, R 2 = 0.97), with a slope of −0.1635 (95%CI -0.1994 to −0.1276) and an intercept of 333.1882 (95%CI 261.1155 to 405.2608).