Table 1.

Various risk stratification models.

Risk stratification model	Prognostic markers	OS	Reference
mSMART	(i) Cytogenetics	(i) Low risk: 10 years	[36]
	(ii) GEP	(ii) Intermediate risk: 4.5 years
	(iii) PCLI	(iii) High risk: 3 years
IMWG	(i) ISS   (ii) Cytogenetics	(i) Low risk: >10 years	[37]
		(ii) Standard risk: 7 years
		(iii) High risk: 2 years
IFM	(i) LDH	Score 0–3. Score 3 had very poor prognosis	[38]
	(ii) ISS
	(iii) Cytogenetics