passages.id: split_5_test_727_passage
passages.type: progene_text
passages.text: In stepwise multiple linear regression analyses of variables in healthy individuals , insulin sensitivity emerged as the only predictor of anaerobic threshold ( standardised coefficient = 0.72 , p < 0.001 ) , while fasting insulin , incremental insulin area , and total body fat ( dual photon x ray absorptiometry ) failed to enter into final models ( joint R = 0.52 , p < 0.001 ) .