Table 5.

Administration of chemotherapy according to risk category and age

Age group, years	High risk (n = 846), n (%)		Intermediate risk (n = 2,423), n (%)
	chemotherapy	no chemotherapy	chemotherapy	no chemotherapy
<20	0	0	0	0
20–29	5 (83.3)	1 (16.7)	5 (55.6)	4 (44.4)
30–39	37 (74.0)	13 (26.0)	59 (61.5)	37 (38.5)
40–49	121 (80.1)	30 (19.9)	237 (63.9)	134 (36.1)
50–59	144 (77.4)	42 (22.6)	341 (63.3)	198 (36.7)
60–69	161 (70.9)	66 (29.1)	380 (49.2)	393 (50.8)
70–79	87 (51.8)	81 (48.2)	86 (20.2)	340 (79.8)
80–89	2 (3.5)	55 (96.5)	6 (3.1)	189 (96.9)
90–99	0	1 (100)	0	13 (100)
Total	557 (65.8%)	289 (34.2%)	1,11 5 (46.0%)	1,308 (54.0%)