Table 1

Demographic details

VariableOverallOCB IEFP value
NegativePositive
Age (range)27.5 (2–68)31 (9–68)33 (2–52)0.213*
Sex
 Male2211 (50%)11 (50%)1†
 Female4220 (47.6%)22 (52.4%)
KFLC0.99 (0.34–5.12)0.31 (0.20–0.51)5.12 (3.16–5.12)<0.001*
  • Values are median (IQR) or n (%).

  • *Mann-Whitney test.

  • †Fisher’s exact test.

  • IEF, isoelectrofocusing; KFLC, kappa free light chain; OCB, oligoclonal bands.