Research Article

[Retracted] Nomogram to Predict Overall and Cancer-Specific Survival in Patients with Synovial Sarcoma in the Extremities: A Population-Based Study

Table 2

Univariate and multivariate analysis of OS in the training cohort.

CharacteristicsUnivariate analysis HR (95% CI)PMultivariate analysis HR (95% CI)P

Age2 (1.11–3.62)0.0222.36 (1.13–4.92)0.022
0–23
24–40
>40

Sex0.42 (0.17–1.05)0.0630.48 (0.18–1.31)0.152
Male
Female

Pathological type1.17 (0.76–1.8)0.477NANA
Spindle cell
Epithelioid cell
Biphasic

Primary site3.23 (0.75–13.86)0.1151.1 (0.2–5.96)0.913
Upper
Lower

Tumor size (mm)2.25 (1.3–3.89)0.0041.33 (0.54–3.25)0.531
6–66
67–145
>145

Stage T1.48 (0.98–2.21)0.061.02 (0.56–1.89)0.939
T1a
T1b
T2a
T2b
TX

Stage N4.46 (1.92–10.33)0.0012.52 (0.88–7.24)0.086
N0
N1
NX

Stage M14.69 (6.04–35.72)0.0016.27 (2.13–18.5)0.001
M0
M1

Radiation1.98 (0.83–4.7)0.1231.27 (0.48–3.32)0.629
Yes
No

Chemotherapy0.22 (0.07–0.65)0.0060.53 (0.14–1.97)0.344
Yes
No

Surgery21.7 (5.76–81.79)0.0019.68 (2.05–45.69)0.004
Yes
No