Table 2

Patient characteristics

CharacteristicGIMEMA (n = 331)HOVON (n = 333)IFM-I (n = 321)IFM-II (n = 229)NMSG (n = 357)TMSG (n = 114)
Median age, y72.572.669.478.574.470.6
Sex, %
    Male545654455554
    Female464446554546
DS stage, %
    DS I00109155
    DS II382626233653
    DS III627464684540
    Not known000042
ISS, %
    ISS 1192531221618
    ISS 2382434384035
    ISS 3231827283338
    Not known20328121110
WHO-PS, %
    052362419157
    1244650452343
    2191419282846
    35467234
    4102070
    Not known000041
Ig heavy chains, %
    IgG646067586268
    IgA253021282115
    IgD000013
    Light only1110101282
    Other002001
    Not known0002811
Ig light chains, %
    K06265655052
    L03832343141
    Not known100022197
Median β2-microglobulin, mg/L3.74.03.94.34.25.0
Median hemoglobin, g/dL10.610.510.510.610.69.8
Median albumin, g/L36.034.038.038.033.036.0
Median creatinine, μM70.796.092.590.094.597.3
Median LDH, U/LNR293.0337.0331.5223.5238.5
  • HOVON indicates Hemato-Oncologie voor Volwassenen Nederland; and NR, not recorded.