Skip to main content

Table 3 Time-to-event measures for the two procedure groups

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

  All (n = 171)* OPEN (n = 135) VATS (n = 36) p-value†
DFI-1 26.5 (14.1–67.5) 27.5 (14.5–74) 24.6 (14.0–55.1) 0.79
  23.54 to 33.02 23.99 to 34.4 14.26 to 40.05  
OS 47.3 (24–79.6) 53.2 (23.8–89.9) 30.1 (25.2–54.7) 0.03†
  38.46 to 57.97 44.73 to 64.13 27.13 to 47.66  
DFI-2‡ 13.5 (7.1–31.1) 14.8 (7.2–34.3) 12.4 (5.6–13.5) 0.21
  10.33 to 18.86 9.32 to 22.44 2.45 to 18.06  
RFS 25.1 (10.3–57.9) 24.8 (9.8–59.9) 25.6 (12.4–45.9) 0.81
  20.11 to 31.76 19.72 to 36.2 13.41 to 32.22  
  1. *First row: median (interquartile range); Second row: 95% C.I. around median.
  2. †Two-tailed p-value < 0.05 considered statistically significant.
  3. ‡Second occurrence was seen in 59 OPEN and in 10 VATS patients.