Table 3. Effectiveness by different subgroups in chemotherapy cycle 1.

Treatment	Endpoints
	Grade ≥3 neutropenia, n (%)	Grade 4 neutropenia, n (%)
Prophylaxis strategy
Primary (n=493)	21 (4.3)	6 (1.2)
Secondary (n=142)	13 (9.2)	4 (2.8)
Chemotherapy
1 week (n=20)	3 (15)	3 (15)
2 weeks (n=41)	1 (2.4)	0
3 weeks (n=407)	28 (6.9)	6 (1.5)
4 weeks (n=14)	1 (7.1)	0