Table 1: The number of pelvic and acetabular fractures

is categorized by four classification systems:

Tile, Judet-Letournel, Denis and Nakatani.

Classification

Women

n

Men

n

Total

n

Tile classification

Type A

2

5

7

Type B

8

23

31

Type C

9

18

27

Judet-Letournel classification

Simple fracture

12

29

41

Associated fracture

7

12

19

Bilateral (Simple + Associated)

1

1

2

Bilateral (Simple + Simple)

0

3

3

Denis classification (sacral fracture)

No fracture

15

24

39

Type I

0

9

9

Type II

3

11

14

Type III

1

2

3

Nakatani classification (pubic ramus fracture)

No fracture

3

14

17

Type I

0

2

2

Type II

13

12

25

Type III

1

7

8

Type IV

2

11

13

These are disaggregated by sex, indicating counts for women and men. Tile types are denoted as A, B, and C. Judet-Letournel includes simple, associated, and bilateral combinations. The Denis and Nakatani classifications use Roman numerals (I–IV) and indicate the absence of fracture.