Table 1 Patient demographics
From: Clinical and sonographic improvement of developmental dysplasia of the hip: analysis of 948 patients
Patient characteristics (n = 948) | n (%) |
|---|---|
First clinical status of the hip | |
Ortolan positive: unilateral | 292 (30.8%) |
Ortolan positive: bilateral | 97 (10.2%) |
Barlow positive (Ortolani negative): unilateral | 180 (19.0%) |
Barlow positive (Ortolani negative): bilateral | 46 (4.9%) |
Unstable, not dislocatable | 303 (32.0%) |
Information missing | 30 (3.2%) |
Treatment | |
Immediate abduction treatment | 505 (53.3%) |
Delayed abduction treatment | 157 (16.6%) |
Operation and/or casting | 48 (5.1%) |
Observation (clinical/radiological follow-ups) | 266 (28.1%) |
Information missing | 1 (0.1%) |
Gender | |
Male | 262 (27.6%) |
Female | 686 (72.4%) |
Presentation | |
Breech presentation | 312 (32.9%) |
Cephalic presentation | 628 (66.2%) |
Information missing | 8 (0.8%) |
Family history | |
Positive | 194 (20.5%) |
First-degree relative | 138 (14.6%) |
Negative | 382 (40.3%) |
Information missing | 372 (39.2%) |
Parity | |
Nulliparous | 202 (21.3%) |
Primiparous | 85 (9.0%) |
Multiparous | 36 (3.8%) |
Information missing | 625 (65.9%) |
Gestation age | |
Term | 848 (89.5%) |
Premature | 38 (4.0%) |
Postmature | 44 (4.6%) |
Information missing | 18 (1.9%) |
Birth weight | |
Normal birth weight | 899 (94.8%) |
Low birth weight (< 2500 g) | 21 (2.2%) |
Birth weight (> 4500 g) | 19 (2.0%) |
Information missing | 9 (0.9%) |