Table 2.

Hazard ratios for the risk of recurrence of pheochromocytoma/paraganglioma.

Factors	Univariable			Multivariate
	HR	95%CI	P	HR	95%CI	P
SDHB mutation	2.1	1.2, 3.4	0.014	4.1	1.7, 9.5	0.001
Tumor size≥5cm	2.0	1.2, 3.4	0.007	2.3	1.1, 4.7	0.028
Capsular invasion	2.0	1.1, 3.7	0.016	1.4	0.6, 3.3	0.424
Ki-67 count ≥3%	2.6	1.5, 4.4	0.001	2.6	1.4, 4.9	0.003

Bold values indicate significant P values.