Table 4.

Stratified multivariable analysis for patients who received a total radiation dose <80 Gy (n=111)^*

Factor	Overall survival, MVA (HR (95% CI))	P value
Age (≥50 years)	1.05 (0.54 to 2.04)	0.88
HIV status (seropositive)	1.42 (0.74 to 2.73)	0.29
KPS (40–80)	1.09 (0.64 to 1.86)	0.76
Hemoglobin (<12 g/dL)	0.85 (0.44 to 1.64)	0.62
CRT (yes)	0.45 (0.25 to 0.82)	0.01

^*Cases with missing data excluded.

CRT, chemoradiation; HIV, human immunodeficiency virus; KPS, Karnofsky Performance Score; MVA, multivariable analysis.;