Table 1.

Univariate and multivariable analysis regarding OS of 685 patients with SM enrolled within the ECNM

Characteristics	Univariate		Multivariable
	HR (95% CI)	P value	HR (95% CI)	P value
Tryptase (n = 625) ≥/<125μg/L	3.4 (2.6-4.4)	<.001	1.8 (0.9-3.6)	.078
AP (n = 565) ≥/<150U/L	3.5 (2.7-4.4)	<.001	1.4 (0.7-3.0)	.334
β2-microglobulin (n = 158) ≥/<2.5mg/L	4.8 (2.9-7.9)	<.001	2.7 (1.4-5.4)	.004
LDH (n = 533) ≥/<260 U/L	2.0 (1.5-2.7)	<.001	2.1 (1.1-4.0)	.018
Albumin (n = 508) </≥34g/dL	3.7 (2.7-4.9)	<.001	3.3 (1.7-6.5)	.001

Analysis included variables with receiver operating characteristic-assessed cutoffs.

AP, alkaline phosphatase; CI, confidence interval; HR, hazard ratio; LDH, lactate dehydrogenase