Skip to main content

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 2 Patient and fracture characteristics by outcome

From: Associated lesions in posterior wall acetabular fractures: not a valid predictor of failure

Variable

Not reoperated

Reoperated

Statistics

No osteoarthritis

Osteoarthritis

Statistics

Number of cases n (%)

27 (82 %)

6 (18 %)

 

23 (70 %)

10 (30 %)

 

Average age in years (SD, range)

35 (15, 13–69)

49 (21, 27–75)

p = 0.08 (Student)

37 (16, 13–69)

40 (20, 20–75)

p = 0.6 (Student)

Sex n male:n female (%: %)

23:4 (85 %:15 %)

5:1 (83 %:17 %)

p = 1.0 (Fisher)

20:3 (87 %:13 %)

8:2 (80 %:20 %)

p = 0.6 (Fisher)

Side n right:n left (%: %)

13:14 (48 %:52 %)

3:3 (50 %:50 %)

p = 1.0 (Fisher)

11:12 (48 %:52 %)

5:5 (50 %:50 %)

p = 1.0 (Fisher)

Cause, n (%)

  

p = 0.3 (χ2)

  

p = 0.15 (χ2)

 Car accident

19 (70 %)

6 (100 %)

 

16 (70 %)

9 (90 %)

 

 Motorbike accident

4 (15 %)

0 (0 %)

 

3 (13 %)

1 (10 %)

 

 Fall, sports accident

4 (15 %)

0 (0 %)

 

4 (17 %)

  

Fracture type

 n isol. PW: n assoc. PW (%:%)

11:16 (41 %:59 %)

1:5 (17 %:83 %)

p = 0.4 (Fisher)

11:12 (48 %:52 %)

1:9 (10 %:90 %)

p = 0.054 (Fisher)

 Joint dislocation at admission n (%)

22 (81 %)

6 (100 %)

p = 0.6 (Fisher)

18:5 (78 %:22 %)

10:0 (100 %:0 %)

p = 0.3 (Fisher)

 Multiple fragments n (%)

19 (70 %)

6 (100 %)

p = 0.3 (Fisher)

15 (65 %)

10 (100 %)

p = 0.07 (Fisher)

 Marginal impaction n (%)

10 (37 %)

3 (50 %)

p = 0.7 (Fisher)

9 (39 %)

4 (40 %)

p = 1.0 (Fisher)

 Intra-articular fracture n (%)

10 (37 %)

3 (50 %)

p = 0.7 (Fisher)

7 (30 %)

6 (60 %)

p = 0.14 (Fisher)

 Femoral head lesion n (%)

14 (52 %)

4 (67 %)

p = 0.7 (Fisher)

11 (48 %)

7 (70 %)

p = 0.3 (Fisher)

 Traumatic nerve palsy n (%)

5 (19 %)

0 (0 %)

p = 0.6 (Fisher)

5 (22 %)

0 (0 %)

p = 0.3 (Fisher)

Average delay to injury surgery in days (SD, range)

8 (8, 1–40)

7 (4, 3–12)

p = 0.6 (Student)

7 (5, 1–18)

11 (12, 3–40)

p = 0.089 (Student)

Average surgery time in httpminutes (SD, range)

193 (47, 120–270)

238 (42, 180–300)

p = 0.039 (Student)

185 (46, 120–270)

239 (34, 180–300)

p = 0.003 (Student)

Average follow-up in months (SD, range)

54 (33, 12–135)

59 (39, 25–133)

p = 0.8 (Student)

56 (35, 12–135)

53 (33, 25–133)

p = 0.8 (Student)

  1. FisherFisher’s exact test, StudentStudent’s t test,χ2 chi square test