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. 2023 Jun;44(6):607–612. doi: 10.15537/smj.2023.44.6.20220931

Table 2.

- Bivariate comparison between acetabular fracture patterns and others variables.

Mean Age (SD) AC AC+PH AW B PC PCPW PW T type T T+PW Test statistic P-value
42.80 (20.107) 47.00 48.64 (22.151) 53.56 (21.086) 52.00 (1.414) 46.18 (19.073) 37.09 (13.483) 33.33 (14.572) 43.22 (14.754) 40.54 (16.860) F=1.808 0.072
Age categories
≤19 0 (0) 0 (0.0) 2 (18.2) 1 (5.6) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (.00) 0 (0.0) χ2=47.641 0.008
20-39 14 (70.0) 0 (0.0) 2 (18.2) 4 (22.2) 0 (0.0) 6 (54.5) 37 (69.8) 2 (66.7) 4 (44.4) 8 (61.5)
40-64 2 (10.0) 1 (100) 4 (36.4) 7 (38.9) 2 (100) 4 (36.4) 13 (24.5) 1 (33.3) 5 (55.6) 4 (30.8)
≥65 4 (20.0) 0(0.0) 3 (27.3) 6 (33.3) 0 (0.0) 1 (9.1) 3 (5.7) 0 (0.0) 0 (0.0) 1 (7.7)
Gender
Female 3 (15.0) 0(0.0) 6 (54.5) 4 (22.2) 0 (0.0) 1 (9.1) 6 (11.3) 1 (33.3) 0 (0.0) 1 (7.7) χ2=15.969 0.068
Male 17 (85.0) 1 (100) 5 (45.5) 14 (77.8) 2 (100) 10 (90.9) 47 (88.7) 2 (66.7) 9 (100) 12 (92.3)
Extremity
Bilateral 2 (10.0) 0(0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0(0.0) 0 (0.0) 1 (11.1) 0 (0.0) χ2=15.829 0.604
Left 10 (50.0) 1 (100) 3 (27.3) 9 (50.0) 1 (50.0) 4 (36.4) 29 (54.7) 2 (66.7) 5 (55.6) 7 (53.8)
Right 8 (40.0) 0 (0.0) 8 (72.7) 9 (50.0) 1 (50.0) 7 (63.6) 24 (45.3) 1 (33.3) 3 (33.3) 6 (46.2)
Treatment modality
ORIF 13 (65.0) 1 (100) 0 (0.0) 1 (66.7) 2 (100) 9 (81.8) 34 (64.2) 3 (100) 9 (100) 10(76.9) χ2=42.234 0.001
Conservative 7 (35.0) 0(0.0) 11 (100) 6 (33.3) 0 (0.0) 2 (18.2) 17 (32.1) 0 (0.0) 0 (0.0) 3(23.1)
THA 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 2 (3.8) 0 (0.0) 0 (0.0) 0 (0.0)
Mechanism of injury
Falling down 14 (70.0) 1(100) 9 (81.8) 10 (55.6) 2(100) 4 (36.4) 11(20.8) 1(33.3) 4 (44.4) 4 (30.8) χ2=37.315 0.005
Gun Shot 1 (5.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
RTA 5 (25.0) 0 (0.0) 2 (18.2) 8(44.4) 0 (0.0) 7 (63.6) 42 (79.2) 2(66.7) 5 (55.6) 9 (69.2)
Hip dislocation
Yes 3 (15.0) 0 0.0) 0 (0.0) 1 (5.6) 1 (50.0) 1 (9.1) 26 (49.1) 1(33.3) 1 (11.1) 6 (46.2) χ2=32.581 0.000
Sciatic Nerve
Pre-traumatic 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 5 (9.4) 0 (0.0) 0 (0.0) 0 (0.0)    
Iatrogenic 0 (0.0) 0 (0.0) 0 (0.0) 1 (5.6) 0 (0.0) 1 (9.1) 2 (3.8) 0 (0.0) 0 (0.0) 1 (7.7) χ2=14.834 0.673
Associated Injuries
Multiple 12 (60.0) 1 (100) 6 (54.5) 9 (50.0) 1 (50.0) 3 (27.3) 29 (54.7) 2 66.7) 5 (55.6) 8 (61.5) χ2=5.404 0.798
AC: anterior column, AC+PH: anterior column + posterior hemitransverse, AW: anterior wall, B: associated both column, PC: posterior column, PC+PW: posterior column + posterior wall, PW: posterior wall, T: Transverse, T+PW: transverse + tosterior wall, THA: total hip arthroplasty, RTA: road traffic accident, ORIF: open reduction and internal fixation