a nonsignificant trendp = 0.083
Patients with PTV < 350 cm 3 had a 26.0% chance for distant recurrence, while patients with PTV ≥ 350 cm 3 had a 39.7% chance for distant recurrence, showing a nonsignificant trend for prediction of distant recurrence, OR 1.87 (95% CI 0.92–3.82), p = 0.083.