Table 4 Risk factors and alpha angles in the 3rd-month follow-up
From: Clinical and sonographic improvement of developmental dysplasia of the hip: analysis of 948 patients
Risk factor (n) | p value | Alpha angle in the 3rd-month control (degrees) | p value in multivariable design | |
|---|---|---|---|---|
Under 60 | 60 or over | |||
First clinical status | 0.421 | 0.527 | ||
Ortolan+ (256) | 25 (9.8%) | 231 (90.2%) | ||
Barlow+ (165) | 17 (10.3%) | 142 (89.7%) | ||
Minor looseness (218) | 15 (6.9%) | 203 (93.1%) | ||
Positive family history | 0.002 | 0.002 | ||
Yes (97) | 16 (16.5%) | 81 (83.5%) | ||
No (321) | 21 (6.5%) | 300 (93.5%) | ||
Sex | 0.035 | 0.136 | ||
Boy (188) | 10 (5.3%) | 178 (94.7%) | ||
Girl (464) | 49 (10.6%) | 415 (89.4%) | ||
Treatment method | 0.477 | 0.887 | ||
IS (346) | 31 (9%) | 315 (91.0%) | ||
DS (131) | 15 (11.5%) | 116 (88.5%) | ||
WW (175) | 13 (7.4%) | 162 (92.6%) | ||
Breech presentation | 0.030 | 0.049 | ||
No (431) | 46 (10.7%) | 205 (94.5%) | ||
Yes (214) | 12 (5.5%) | 385 (89.3%) | ||
First born | 0.840 | |||
Birthweight | 0.608 | |||
Gestational age | 0.293 | |||