ADL	Activities of daily living
ASA	Acetylsalicylic acid
CI	Confidence interval
CKD	Chronic kidney disease
CRP	C-reactive protein
ECOG PS	Eastern Cooperative Oncology Group Performance Status
eGFR	estimated glomerular filtration rate
ET	Essential thrombocythemia
FU	Follow-up
GSG-MPN bioregistry	Myeloproliferative neoplasms bioregistry study of the German Study Group for myeloproliferative neoplasms
HR	Hazard ratio
HU	Hydroxyurea
IMIDs	Immunomodulatory drugs
IWG-MRT	International Working Group-Myeloproliferative Neoplasms Research and Treatment
KDIGO	Kidney Disease Improving Global Outcomes
LDH	Lactate dehydrogenase
MDRD	Modification of Diet in Renal Disease
MF	Myelofibrosis
MPN	Myeloproliferative neoplasms
OR	Odds ratio
PMF	Primary myelofibrosis
PV	Polycythemia vera
Q1	First quartile
Q3	Third quartile
RUX	Ruxolitinib
Scr	Serum creatinine
WHO	World Health Organization
WW	Watch-and-wait