Table 2. Univariate and multivariate analysis of risk factors of mortality.

Risk factors for mortality	Univariate analysis		Multivariate analysis
	P value	Odds ratio (95% CI)	P value	Odds ratio (95% CI)
TE	< 0.001	8.42 (4.15-17.08)	< 0.001	7.110 (3.052-16.562)
IRF	0.001	3.41 (1.66-7.02)	0.029	2.953 (1.116-7.818)
PNH-cytopenia	0.023	2.17 ( 1.11-4.21)	0.020	2.547 (1.159- 5.597)
LDH ≥ 1.5 × ULN	0.009	4.99 (1.15-21.70)	0.159	3.204 (0.633-16.230)
Abdominal pain	0.026	2.10 (1.08-4.08)	0.162	1.828 (0.785-4.256)
Dyspnea/Chest pain	0.026	2.09 (1.086-4.024)	0.855	1.077 (0.487-2.381)
Hemoglobinuria	0.636	0.86 (0.45-1.63)	0.073	0.449 (0.187-1.077)
Clone size	0.391	1.01 (0.99-1.02)	0.744	0.995 (0.967-1.024)

CI, confidence interval; IRF, impaired renal function; LDH, lactate dehydrogenase; TE, thromboembolism; ULN, upper limit of normal.