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Table 2 Univariate analysis of risk factors for lymph node metastasis

From: Prognostic factors for lymph node metastasis from advanced squamous cell carcinoma of the skin of the trunk and extremities

Variable LN - (N0f) n (%) LN + (N1+N1f) n (%) p value
Age (mean) 64.22 58.38 0.154*
Gender    0.407¥
   Male 19 (33.3) 15 (26.3)  
   Female 16 (28.1) 7 (12.3)  
Ethnicity    0.514
   Caucasian 31 (54.4) 17 (29.8)  
   African 1 (1.7) 1 (1.7)  
Residence    0.408¥
   Urban 30 (52.6) 18 (31.6)  
   Rural 5 (8.8) 1 (1.7)  
Lesion location    0.095¥
   Upper extremity (without hand) 2 (3.5) 5 (8.8)  
   Trunk, hand and lower extremity 33 (57.9) 17 (29.9)  
Previous lesion    0.047
   Present 6 (10.5) 09 (15.8)  
   Absent 29 (50.9) 13 (22.8)  
Treatment modality    0.309¥
   Surgery 27 (47.4) 19 (33.3)  
   Radiation therapy 8 (14.0) 3 (5.3)  
T stage    0.158¥
   T3 25 (43.8) 11 (19.3)  
   T4 10 (17.5) 11 (19.3)  
  1. * T – test
  2. Chi square
  3. ¥ Fisher exact