Table 4– Multivariable analysis of survival in patients with pleural mesothelioma
Risk ratio (95% CI)
Tumour type
 Not specified1
 Sarcomatoid1.33 (1.15–1.53)
 Epitheloid0.76 (0.71–0.81)
 Mixed1.00 (0.88–1.13)
Age yrs
 20–591
 60–691.16 (1.06–1.26)
 70–791.41 (1.29–1.54)
 ≥801.71 (1.52–1.92)
Chemotherapy versus period interaction term
 None1
 Chemotherapy 1995–19980.99 (0.81–1.21)
 Chemotherapy 1999–20020.83 (0.70–0.97)
 Chemotherapy 2003–20040.78 (0.66–0.92)
 Chemotherapy 2005–20060.64 (0.56–0.73)