Frequency of Surgery in Black Patients with Malignant Pleural Mesothelioma

Table 2

Effect of patient, disease, and treatment characteristics on 5-year survival ().

Variable	Categories	Whites; adjusted HR; (95% CI)	Blacks; adjusted HR; (95% CI)
Sex	Male/female	0.82 (0.77–0.88)	1.10 (0.84–1.44)
Age	Per year decrease	0.81 (0.79–0.83)	0.76 (0.68–0.83)
Stage	Localized	1.0 (ref.)	1.0 (ref.)
	Regional	1.26 (1.13–1.39)	0.98 (0.61–1.59)
	Distant	1.21 (1.11–1.31)	1.14 (0.77–1.67)
	Unknown	1.11 (0.98–1.25)	0.80 (0.44–1.45)
Cancer-directed surgery	No/yes	0.65 (0.61–0.70)	0.53 (0.38–0.73)
Radiation	No/yes	1.10 (1.01–1.20)	1.24 (0.81–1.89)
Therapy	None	1.0 (ref.)	1.0 (ref.)
	Surgery only	0.68 (0.64–0.73)	0.53 (0.37–0.74)
	Radiation only	1.27 (1.13–1.42)	1.24 (0.75–2.04)
	Both surgery and radiation	0.63 (0.55–0.71)	0.65 (0.30–1.39)

Adjusted for the other variables in the table.