Table 3 Risk factors and alpha angles in the 2nd-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 2nd-month control (degrees) | p value in multivariable design | |
|---|---|---|---|---|
Under 60 | 60 or over | |||
First clinical status | 0.280 | 0.220 | ||
Ortolan+ (271) | 71 (26.2%) | 200 (73.8%) | ||
Barlow+ (167) | 41 (26.9%) | 122 (73.1%) | ||
Minor looseness (227) | 56 (24.7%) | 171 (75.3%) | ||
Positive family history | 0.028 | 0.016 | ||
Yes (102) | 33 (32.4%) | 69 (67.6%) | ||
No (332) | 72 (21.7%) | 260 (78.3%) | ||
Sex | < 0.001 | 0.006 | ||
Boy (228) | 30 (15.4%) | 165 (84.6%) | ||
Girl (591) | 144 (29.8%) | 339 (70.2%) | ||
Treatment method | < 0.001 | < 0.001 | ||
IS (361) | 88 (24.4%) | 273 (75.6%) | ||
DS (168) | 64 (43.0%) | 85 (57.0%) | ||
WW (149) | 22 (13.1%) | 146 (86.9%) | ||
Breech presentation | 0.015 | 0.070 | ||
No (577) | 130 (28.4%) | 327 (71.6%) | ||
Yes (272) | 43 (19.7%) | 175 (80.3%) | ||
First born | 0.580 | |||
Birthweight | 0.201 | |||
Gestational age | 0.201 | |||