Table 3 Multivariate analysis of prognostic factors by Cox proportional hazard model: overall survival and disease-free survival at 3 years

Age

0.98 (95% CI, 0.97–1.02)

0.565

0.98 (95% CI, 0.95–1.01)

0.201

Stage

2.31 (95% CI, 0.98–5.40)

0.054

1.37 (95% CI, 0.62–3.04)

0.436

L/node size by CT

1.54 (95% CI, 1.04–2.28)

0.030

0.91 (95% CI, 0.51–160)

0.067

Cervix size by CT

1.06 (95% CI, 0.61–1.85)

0.834

0.50 (95% CI, 0.26–0.97)

0.732

Hb blood level

0.35 (95% CI, 0.18–0.67)

0.001

0.41 (95% CI, 0.18–0.91)

0.040

Dose at point A

0.48 (95% CI, 0.22–1.06)

0.070

1.67 (95% CI, 0.67–4.14)

0.028

Dose at point B

1.16 (95% CI, 0.47–2.88)

0.743

1.74 (95% CI, 0.87–3.46)

0.272

Duration of treatment

1.62 (95% CI, 1.01–2.61)

0.045

2.04 (95% CI, 1.23–3.40)

0.006