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Table 2 Univariate analyses of prognostic factors for OS in patients with malignant melanoma

From: Clinical presentation, histology, and prognoses of malignant melanoma in ethnic Chinese: A study of 522 consecutive cases

Factors Median OS (y) P value
Histological type   
   ALM 5.330 < 0.001
   NM 4.080  
   SSM 4.670  
   MCM 3.580  
   Unclassifiable 2.000  
MCM vs. non-MCM   
   MCM 3.580 0.036
   Non-MCM 4.670  
Primary location   
   Trunk 4.670 < 0.001
   H&N Not reached  
   Palmoplantar/Subungual 10.830  
   Upper/Lower limb 4.000  
   Mucosal 3.580  
   Unknown 2.000  
Stage   
   I not reached < 0.001
   II 4.250  
   III 2.830  
   IV 1.420  
Gender   
   Male 3.830 0.715
   Female 3.920  
Age   
   ≤ 65 y 3.750 0.127
   > 65 y not reached  
Ulceration   
   with 4.000 0.080
   without not reached  
Breslow thickness*   
   ≤ 1 mm   0.290
   1-4 mm 4.080  
   > 4 mm 4.000  
  1. *Limited to 180 cases with recorded Breslow thickness