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Table 1 Demographic data with reference to age when DDH management of CR was initiated

From: Timing for closed reduction procedure for developmental dysplasia of the hip and its failure analysis

 

Group I

Group II

Group III

No. of hips (cases)

71 (45)

50 (37)

35 (25)

Age at present0(months)

7 (1.8)

15 (1.6)

19 (2.1)

range

4–10

12–17

18–28

Sex (girls: boys)

39:6

33:4

23:2

Side (unilateral: bilateral)

19:26

24:13

15:10

Walking

0

33 b

35 b

Femoral head (yes: no)

20:51

48:2

35:0

Orthosis time0 (mons)

6.6 (2.1)

5.9 (2.1)

6.8 (1.9)

Pre-op Tonnis

 I

8

1

2

 II

3

7

2

 III

34

13

9

 IV

26

29

22

Pre-op IHDI

 I

2

0

1

 II

11

10

2

 III

48

19

16

 IV

10

21

16

Pre-op AI0

36.9 (6.9)

38.1 (4.5)

39.2 (5.8)

Post-op AI0

25.5 (5.0)

27.9 (5.1) b

29.6 (5.5) b

Post-op Tonnis

 I

47

35

25

 II

11

5

6

 III

7

10

1

 IV

6

0

3

Post-op IHDI

 I

45

34

22

 II

11

8

9

 III

11

8

4

 IV

4

0

0

AVN (%)

10 (14.1%)

9 (18.0%)

5 (14.3%)

Re-dislocation (%)

9 (12.7%)

8 (16.0%)

6 (17.1%)

RAD (%)

6 (8.5%)

7 (14.0%)

14 (40%) ab

FS (%)

15 (21.1%)

15 (30.0%)

22 (62.9%) ab

  1. Group I (< 12 months), Group II (12 months to ≤18 months), Group III (> 18 months)
  2. AI Acetabular Index, RAD Residual Acetabular Dysplasia, FS Further Surgeries, IHDI International Hip Dysplasia Institute, AVN avascular necrosis.
  3. 0 values of mean (SD)
  4. a: p < 0.05 compared with Group II
  5. b: p < 0.05 compared with Group I
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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