MPM (n = 48) | Males | Females | Age (y) (range (mean)) | Survival (months) (range (mean)) | MIB1/Ki-67 |
Cases <30% | |||||
LTS (n = 26) | 11 | 15 | 41–78 (63.7) | 36–116 (50.7) | 24/26 (92.3%) |
Cases >30% | |||||
STS (n = 22) | 17 | 5 | 30–71 (57.4) | <1–31 (9.1) | 13/22 (40.9%) |
36 months was taken as the cut-off level for survival; 26 patients were identified as LTS and 22 as STS.
MIB-1/Ki-67 proliferation index (<30% or >30%) was associated with STS and LTS.
LTS, long term survivors; MPM, malignant pleural mesothelioma; STS, short term survivors.