Table 5.

Comparison of average values of treatment delivery parameters (and range) between clinical 6X‐FFF and re‐optimized 6X‐FF plans for all 13 lung SBRT patients.

Parameters	6X‐FF	6X‐FFF	P‐value
Total monitor units (MU)	9034 ± 2159 (6245–15131)	9040 ± 2045 (6435–14684)	n. s.
Modulation factor (MF)	3.0 ± 0.72 (2.1–5.04)	3.0 ± 0.68 (2.15–4.89)	n. s.
Beam‐on time, BOT (min)	15.1 ± 3.6 (10.41–25.22)	6.5 ± 1.5 (4.6–10.5)	P < 0.001

n. s., not significant; SBRT, stereotactic body radiation therapy.