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All 241 patients diagnosed with monoclonal gammopathy of undetermined significance at the Mayo Clinic before Jan. 1, 1971, and followed forward until 1992. The interest lies in the possible transformation of mgus towards a cancer of the plasma cells, death from other causes acting as a competing risk.
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A data frame with 241 observations and the following 10 variables.
id
Patient identification number
time
Event time
ev
Event type. 0=censored, 1=cancer of the plasma cells, 2=other
age
Age at diagnostic of mgus
sex
Sex. 1=male, 2=female
y.diag
Calendar year of diagnosis
albu
Albumine level at mgus diagnosis
creat
Serum creatinine level at mgus diagnosis
Hb
Hemoglobine level at mgus diagnosis
size
Size of the monoclonal protein peak at mgus diagnosis
T.M. Thernean and P.M. Grambsch (2001). Modelling Survival Data: Extending the Cox Model. Springer, New York.
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