The roles of age and sex in the prognosis of chronic leukaemias. A study of 373 cases
1991

The Impact of Age and Sex on Chronic Leukaemias

Sample size: 373 publication Evidence: moderate

Author Information

Author(s): B. Jaksic, B. Vitale, E. Hauptmann, A. Planinc-Peraica, S. Ostojic, R. Kusec

Primary Institution: Department of Medicine, 'Dr 0. Novosel', Medical School, University of Zagreb and Institute 'Rudjer Boskovic', Zagreb, Yugoslavia.

Hypothesis

How do age and sex influence the prognosis of chronic leukaemias?

Conclusion

Age is a significant independent prognostic factor in chronic lymphocytic leukaemia (CLL) but not in chronic myeloid leukaemia (CML).

Supporting Evidence

  • Survival in CML was not related to age or sex.
  • CLL patients had an expected median survival that decreased with age.
  • Relative survival rates were 0.40 for CLL and 0.13 for CML patients.

Takeaway

Older people with chronic lymphocytic leukaemia tend to live shorter lives than younger people, but age doesn't affect survival in chronic myeloid leukaemia.

Methodology

The study evaluated survival in 117 CML and 256 CLL patients, analyzing the impact of age and sex on prognosis.

Limitations

The study was conducted on patients from a single institution and may not be generalizable.

Participant Demographics

The median age of CML patients was 44 years, and 62 years for CLL patients; 52% of CML patients and 65% of CLL patients were male.

Statistical Information

P-Value

p<0.0005

Statistical Significance

p<0.0005

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