Table 4.

The incident rate of death in patients receiving different therapy strategy.

Groups		Etoposide-basedn = 181		No etoposide-basedn = 53
		no.†	IR (95% CI)††	no.†	IR (95% CI)††
Low-risk group††† n = 177	The first 4 weeks	4	2.9 (0.1–5.7)	4	10.8 (0.3–21.3)
	The second 4 weeks	6	4.4 (0.9–7.9)	3	9.1 (0.0–19.4)
	Overall	10	3.1 (1.4–5.8)	7	9.5 (2.9–16.1)
High-risk group††† n = 57	The first 4 weeks	18	43.9 (28.0–59.8)	7	43.8 (16.4–71.1)
	The second 4 weeks	18	78.3 (60.0–96.5)	4	44.4 (3.9–85.0)
	Overall	36	43.9 (38.7–49.2)	11	34.4 (21.6–47.2)

^†The accumulative number of deaths.

^††The incident rate of death per 100 person-weeks.

^††† The patients with nomogram points > 80 were recognized as low-risk group, otherwise as the high-risk group.

IR, incident rate.