Table 2.

Events and 6-month cumulative incidences of incident VTE in patients with cancer initiating chemotherapy

	Patients, n	Events, n	Cumulative incidence, % (95% CI)*
Overall	40 218	1 000	2.5 (2.3-2.6)
Khorana risk category
0: low risk	14 250	210	1.5 (1.3-1.7)
1-2: intermediate risk	21 565	610	2.8 (2.6-3.1)
≥3: high risk	4 403	180	4.1 (3.5-4.7)
Khorana score level
1	12 856	318	2.5 (2.2-2.8)
2	8 709	291	3.3 (3.0-3.7)
3	3 623	141	3.9 (3.3-4.6)
4	717	34	4.7 (3.4-6.5)
5-6	63	5	7.9 (2.9-16.2)
Guideline threshold
Score 0-1	27 106	529	2.0 (1.8-2.1)
Score ≥2	13 112	471	3.6 (3.3-3.9)

^*Based on the cumulative incidence function considering death as competing risk.