Table 4. Retrospective/prospective studies and their comparison according to BED.

	Total Dose (Gy)	Number of fractions	BED α/β = 3 (Gy)	BED α/β = 10 (Gy)	Recurrence (%)	Years of follow-up (median)
RETROSPECTIVE STUDIES
Pérez et al (7)	12	3	19	11	33	6.75 (median)
Darzi et al (3)	16	4	37	22	33
Ragoowansi et al (9)	10	1	43	20	16
Kutzner et al (10)	10–20	5–10	17–33	12–24	11,4
Doornbos et al (11)	6–15	3	10–40	7–23	23,5
Shen et al (12)	18	2	72	34	9,6	3.3 (median)
PROSPECTIVE STUDIES
Ogawa et al (13)	10–20	2–4	27–53	15–30	14	1.9 (median)
Kuribayashi et al (14)	15–20	3–4	40–53	23–30	9,7	1.5 (median)
van de Kar et al (15)	12	3–4	28–24	17–16	71,9	1.5 (median)
Sclafani et al (4)	7–10	1	23–43	12–20	12,5	1.5 (median)
Emad et al (5)	12	3	28	17	18,2	1.5 (median)