Table 2

Survival analysis

VariableUnivariable
HR (95% CI)
p ValueMultivariable
HR (95% CI)
(missing N=13)*
p Value
Effusion mesothelin†0.82 (0.53 to 1.27)0.3651.09 (0.55 to 2.17)0.794
Plasma mesothelin†0.89 (0.55 to 1.40)0.5850.60 (0.32 to 1.22)0.164
Effusion fibulin-3†2.32 (1.42 to 3.79)0.0012.08 (1.14 to 3.82)0.017
Plasma fibulin-3†1.23 (0.49 to 3.10)0.6553.47 (0.78 to 15.42)0.103
Age‡1.05 (1.02 to 1.08)0.0021.05 (0.99 to 1.01)0.062
Sex
 FemaleRef
 Male1.50 (0.65 to 3.47)0.3400.87 (0.31 to 2.42)0.785
Histology
 EpitheliodRef
 Not specified0.98 (0.55 to 1.76)0.9501.38 (0.64 to 2.98)0.361
 Biphasic or sarcomatoid2.76 (1.47 to 5.21)0.0022.81 (1.32 to 6.00)0.008
ECOG PS (missing N=5)*
 0–1Ref
 2–33.36 (1.79 to 6.29)<0.0012.27 (0.83 to 6.2)0.110
Stage (missing N=7)*
 I–IIRef
 III–IV1.22 (0.73 to 2.03)0.4491.23 (0.65 to 2.33)0.520
Weight loss (missing N=5)*
 AbsentRef
 Present1.48 (0.91 to 2.42)0.1160.54 (0.27 to 1.08)0.083
Chest pain (missing N=5)*
 AbsentRef
 Present1.67 (0.99 to 2.80)0.0541.92 (0.93 to 3.98)0.080
Hb difference§
(missing N=2)*
 <10 g/LRef
 ≥10 g/L1.99 (1.15 to 3.45)0.0141.35 (0.65 to 2.82)0.418
White cell count (missing N=2)*
 ≤8.3×109/LRef
 >8.3×109/L1.36 (0.843 to 2.19)0.2081.37 (0.69 to 2.74)0.372
Platelet count (missing N=2)*
 ≤400×109/LRef
 >400×109/L1.73 (1.03 to 2.92)0.0391.54 (0.74 to 2.74)0.246
NLR (missing N=2)*
 <5Ref
 ≥51.31 (0.78 to 2.22)0.3061.29 (0.65 to 2.56)0.460
Treatment (missing N=4)*
 Best supportive careRefNot included 
 Active treatment2.82 (1.75 to 4.54)0.001
EORTC group (missing N=3)*
 Low riskRefNot included 
 High risk1.32 (0.82 to 2.13)0.256
CALGB group (missing N=7)*
 1 or 2RefNot included 
 3 or 41.36 (0.72 to 2.60)0.346
 5 or 62.78 (1.41 to 5.50)0.004
  • Entries in bold type are statistically significant.

  • Cox regression analysis of MM survival.

  • *Number of cases with missing data.

  • †HRs for biomarkers is for a log(10) unit increase.

  • ‡HR for age is for a 1 year increase.

  • §Hb, haemoglobin expressed as a difference relative to 160 g/L in men and 140 g/L in women.

  • CALGB, Cancer and Leukaemia Group B; ECOG PS, Eastern Cooperative Oncology Group Performance Status; EORTC, European Organisation for Research and Treatment of Cancer; MM, malignant mesothelioma; NLR, neutrophil to lymphocyte ratio.