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Table 2 Survivorship of operatively-treated acetabular fractures according to fracture type and other characteristics

From: Outcomes after surgical treatment of acetabular fractures: a review

  Survivorship (95% Confidence Interval) (%)
Two Years Five Years Ten Years Twenty Years Median Time to Failure
Entire series (n = 816) 91 (90–92) 88 (87–90) 85 (84–87) 79 (76–81) 1.5
Elementary fracture type (n = 241) 91 (89–93) 86 (84–89) 84 (81–87) 73 (68–79) 1.3
Anterior wall (n = 12) 91 (82–100) 68 (53–84) 68 (53–84) 34 (9–59) 2.3
Anterior column (n = 80) 95 (92–97) 92 (88–95) 87 (83–91) 77 (70–85) 3.0
Posterior wall (n = 107) 88 (84–91) 82 (78–86) 81 (77–85) 76 (71–82) 1.2
Posterior column (n = 14) 100 100 100 100
Transverse (n = 28) 89 (83–95) 89 (83–95) 89 (83–95) 89 (83–95) 0.3
Associated fracture type (n = 575) 92 (91–93) 89 (88–91) 86 (84–87) 80 (78–83) 1.6
Posterior column, posterior wall (n = 26) 85 (78–92) 85 (78–92) 85 (78–92) 85 (78–92) 0.5
Transverse, posterior wall (n = 143) 89 (86–91) 85 (82–88) 81 (78–85) 74 (68–80) 1.5
T-shaped (n = 96) 89 (85–92) 85 (81–89) 77 (72–81) 74 (65–84) 1.6
Ant. column, post. Hemitrans. (n = 76) 92 (89–95) 92 (89–95) 88 (84–92) 75 (65–84) 1.3
Both columns (n = 234) 96 (94–97) 83 (91–95) 91 (89–93) 87 (83–90) 2.2
Initial displacement
  ≥ 20 mm (n = 226) 86 (84–89) 84 (81–86) 78 (75–81) 68 (63–73) 1.3
  ≤ 20 mm (n = 590) 93 (92–95) 90 (89–91) 88 (86–89) 83 (81–85) 1.9
Treatment delay
  < 21 days (n = 730) 93 (92–94) 89 (88–91) 86 (85–88) 79 (77–82) 2.0
  > 21 days (n = 86) 82 (78–86) 80 (75–84) 74 (69–79) 74 (69–79) 0.9
Previous surgery
Yes (n = 5) 60 (38–82) 30 (6–54) 0.8
No (n = 811) 92 (91–93) 89 (87–90) 85 (84–87) 79 (77–81) 1.6
Age
  < 40 yr. (n = 386) 96 (95–97) 95 (94–96) 92 (91–94) 87 (84–89) 2.3
40–65 yr. (n = 318) 88 (86–90) 83 (81–86) 81 (79–83) 74 (71–77) 1.3
  > 65 yr. (n = 112) 83 (79–87) 79 (75–83) 70 (65–76) 51 (38–64) 0.8
  > 75 (n = 42) 80 (73–87) 74 (66–83) 65 (54–76) 0.6