TABLE 4.

Average time requirement for deep learning (DL)‐based auto‐segmentation and manual contouring by radiation oncologists (ROs) with different qualifications

	Time (mean ± SD)
Targets	dCTV1	dCTV2	pCTV1
Auto‐segmentation	0.8 ± 0.102 s	0.43 ± 0.083 s	0.93 ± 0.117 s
Junior ROs	48 ± 4.56 min	14 ± 6.94 min	44 ± 12.70 min
Intermediate ROs	31 ± 11.61 min	9 ± 1.42 min	36 ± 8.07 min
Senior ROs	26 ± 7.25 min	14 ± 4.88 min	20±1.82 min

Abbreviations: dCTV, clinical tumor volume for definitive radiotherapy; pCTV, clinical tumor volume for postoperative radiotherapy; SD, standard deviation.