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Table 5 Univariate analysis of recurrence free survival in all 171 patients (log-rank test)

From: Video-assisted thoracic surgery (VATS) as a safe alternative for the resection of pulmonary metastases: a retrospective cohort study

  n 1-year 3-year 5-year 10-year p-value†
Age (in years)       0.02†
   ≤ 53 88 73.8 (56) 55.9 (34) 44.9 (20) 37 (1)  
   > 53 83 88.7 (65) 68.4 (31) 62.4 (19) 55.5 (2)  
Sex       0.09
   Female 71 77.8 (47) 55 (25) 47.2 (15) 39.5 (2)  
   Male 100 83.2 (74) 67.5 (40) 57.2 (24) 48 (1)  
Race       0.27
   Caucasian 140 83 (102) 63.8 (54) 55.4 (33) 48.3 (3)  
   non-Caucasian 31 72.1 (19) 54.7 (11) 42.2 (6) 21.1 (0)  
PTT       < 0.001†
   Carcinoma 87 94 (76) 77.4 (45) 65.4 (28) 59.1 (2)  
   Sarcoma 84 67.2 (45) 44.5 (20) 39.7 (11) 28.3 (1)  
DFI-1       0.79
   < 1 years 34 84.9 (22) 58.2 (10) 58.2 (10) 58.2 (1)  
   1 to 5 years 92 76.3 (62) 63 (37) 52.8 (20) 42.7 (1)  
   > 5 years 45 88.4 (37) 62.8 (18) 49.4 (9) 35.1 (1)  
Laterality       0.03†
   Unilateral 124 85.1 (96) 65.8 (51) 59.8 (31) 47.6 (1)  
   Bilateral 47 69.3 (25) 51.2 (14) 34.9 (8) 34.9 (2)  
Magnitude       0.02†
   Wedge 118 77.9 (80) 55.8 (42) 46.1 (28) 40 (2)  
   All other 53 87.9 (41) 76.7 (23) 76.7 (11) 54.8 (1)  
Number of lesions       0.05
   Single 48 91.4 (40) 69.3 (23) 62.7 (16) 51.2 (0)  
   2–5 94 77.9 (65) 64.6 (34) 55.6 (19) 47.3 (3)  
   > 5 29 72.9 (16) 40.1 (8) 27.5 (4) 27.5 (0)  
Neoadjuvant       0.63
   No 99 78.4 (66) 62.2 (37) 51.6 (22) 41.3 (1)  
   Yes 72 84.4 (55) 62.2 (28) 55 (17) 49.5 (2)  
Procedure       0.27
   OPEN 135 78.9 (92) 60.9 (55) 50.5 (33) 41.5 (3)  
   VATS 36 88.5 (29) 66.5 (10) 66.5 (6) 66.5 (0)  
  1. *All survival rates are expressed as % (number at risk), unless specified otherwise.
  2. † Two-tailed p-value < 0.05 considered statistically significant.