JUP and diabetes mellitus: Subjects with serum PG I/II ratio in the middle and the highest (borderline significance) tertile had a higher risk of incident diabetes compared with those in the lowest tertile (the middle tertile, HR 1.87 [95% CI 1.02–3.42], p < 0.05; the highest tertile, HR 1.86 [95% CI 0.99–3.47], p = 0.052).