Table 3 Cox regression model to evaluate PFS based on patient characteristics analyzed according to a univariable and multivariable analyses.
From: Serum ferritin predicted prognosis in patients with nasopharyngeal carcinoma
Variables | Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|
HR | 95% CI | P | HR | 95% CI | P | |
Gender | ||||||
Female vs male | 0.984 | 0.604–1.603 | 0.949 | |||
Age (years) | ||||||
> 45 vs ≤ 45 | 1.295 | 0.803–2.087 | 0.289 | |||
T stage | ||||||
3, 4 vs 1, 2 | 1.873 | 1.181–2.971 | 0.008 | 1.963 | 1.231–3.131 | 0.005 |
N stage | ||||||
3 vs 0, 1, 2 | 2.799 | 1.749–4.478 | 0.000 | 3.193 | 1.978–5.155 | 0.000 |
Clinical TNM-stage | ||||||
III, IVa vs I, II | 2.931 | 1.071–8.021 | 0.036 | |||
Cycles of chemotherapy | ||||||
≥ 4 vs < 4 | 1.086 | 0.652–1.808 | 0.751 | |||
Hb (g/L) | ||||||
≥ 120 vs < 120 | 1.192 | 0.548–2.593 | 0.658 | |||
Serum ferritin (ng/mL) | ||||||
Medium level group vs low level group | 1.205 | 0.666–2.182 | 0.538 | 1.328 | 0.725–2.432 | 0.358 |
High level group vs low level group | 1.945 | 1.114–3.396 | 0.019 | 2.068 | 1.177–3.632 | 0.011 |
