Education level as a predictor of survival in patients with multiple myeloma

BMC Cancer

Table 4 Multivariate analysis of baseline parameters associated with PFS

Variables	PFS
Variables	HR (95% CI)	P
All patients
Education level: high vs low	0.50 (0.34–0.72)	< 0.001
LDH: ≥240 vs < 240 U/L	2.08 (1.48–2.94)	< 0.001
Cytogenetics: high risk vs standard risk	1.77 (1.28–2.45)	0.001
Receipt of transplant: no vs yes	2.70 (1.95–3.74)	< 0.001
Patients < 60 years
Education level: high vs low	0.47 (0.29–0.74)	0.002
LDH: ≥240 vs < 240 U/L	2.45 (1.52–3.95)	0.001
Cytogenetics: high risk vs standard risk	1.85 (1.18–2.90)	0.007
Receipt of transplant: no vs yes	2.00 (1.20–3.35)	0.008
Regular treatment: no vs yes	2.08 (1.53–3.73)	0.015
Patients ≥ 60 years
Education level: high vs low	0.53 (0.29–0.98)	0.043
LDH: ≥240 vs < 240 U/L	1.81 (1.10–3.00)	0.020
Cytogenetics: high risk vs standard risk	1.68 (1.03–2.72)	0.037
Receipt of transplant: no vs yes	2.38 (1.36–4.17)	0.002

PFS progression-free survival, HR hazard ratio, CI confidence interval, LDH lactate dehydrogenase

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