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Table 1 Baseline clinical and pathologic characteristics of patients

From: Morbidity and oncologic outcome after saphenous vein-sparing inguinal lymphadenectomy in melanoma patients

   Overall (%) SaphRes (%) SaphSpar (%) p value
Patients
 No. of patients   106   65 (61.3) 41 (38.7)  
 Male sex   49 (46.2) 30 (46.2) 19 (46.3) 0.9849
 Age [years] 58.3   59.7   56.2   0.2239
 BMI [kg/m2] 26.9   26.8   27.2   0.4902
Risk factors
 Nicotine abuse   24 (22.6) 12 (18.5) 12 (29.3) 0.1954
 Diabetes mellitus   9 (8.5) 5 (7.7) 4 (9.8) 0.7105
 Arterial hypertonia   49 (46.2) 30 (46.2) 19 (46.3) 0.9849
Surgical procedure
 Mean duration [min] 87.0   83.9   91.8   0.2955
 Mean hospital stay [days] 12.0   11.6   12.6   0.6372
 Mean no. resected LN   8.6   9.0   7.9   0.2318
Primary tumor characteristics
Location
 Located at limb   81 (76.4) 50 (76.9) 31 (75.6)  
 Located at trunk   18 (17.0) 10 (15.4) 8 (19.5) 0.7560a
 Unknown   7 (6.6) 5 (7.7) 2 (4.9)  
Melanoma subtype
 SSM   45 (42.5) 25 (38.5) 20 (48.8)  
 NM   16 (15.1) 11 (16.9) 5 (12.2) 0.7303b
 Other   35 (33.0) 23 (35.4) 12 (29.3)  
 Unknown   10 (9.4) 6 (9.2) 4 (9.8)  
T stage
 pT1   9 (8.5) 5 (7.7) 4 (9.8)  
 pT2   26 (24.5) 16 (24.6) 10 (24.4)  
 pT3   24 (22.6) 14 (21.5) 10 (24.4) 0.9763c
 pT4   21 (19.8) 14 (21.5) 7 (17.1)  
 Unknown   26 (24.5) 16 (24.6) 10 (24.4)  
Ulcerated   44 (41.9) 29 (44.6) 15 (37.5) 0.4730
Mean thickness [mm] 3.5   4.5   3.1   0.3542
Lymph node status
 Positive SLN   53 (50.0) 30 (46.2) 23 (56.1) 0.3187
 Positive non-sentinel LN   51 (48.1) 31 (47.7) 20 (48.8) 0.9130
 Positive LN statusd   89 (84.0) 53 (81.5) 36 (87.8) 0.3919
Follow-up
 Mean [months] 38.6   29.5   53.1   0.0006
  1. aLocation: "Located at limb" vs. "Located at trunk" vs. "Unknown"
  2. bMelanoma subtype: "SSM" vs. "NM" vs. "Other" vs. "Unknown"
  3. cT-Stage: "pT1" vs. "pT2" vs. "pT3" vs. "pT4" vs. "Unkown"
  4. dPositive SLN or positive non-sentinel LN
  5. no. number, SaphRes V. saphena magna resection, SaphSpar V. saphena magna sparing, BMI body mass index, SSM superficial spreading melanoma, NM nodular melanoma, SLN sentinel lymph node, LN lymph node