Morphological risk factors associated with dislocation after bipolar hemiarthroplasty of the hip in patients with femoral neck fractures—a nested case-control study

Table 1 Dislocation patient demographics including the sex, age, time from surgery to dislocation, cause of dislocation, treatment method, and medical history

Patient number	Sex	Age (years)	Time from surgery to first dislocation (days)	Cause of dislocation	Treatment	Parkinson or dementia
1	Female	80	46	Fall	Closed reduction	No
2	Female	87	15	Atraumatic	Closed reduction	Dementia
3	Female	85	31	Fall	Closed reduction	No
4	Female	75	15	Atraumatic	Open reduction	No
5	Female	88	15	Fall	Closed reduction	No
6	Male	83	23	Fall	Open reduction	Parkinson
7	Female	89	54	Atraumatic	Closed reduction	No
8	Female	84	14	Atraumatic	Open reduction	No
9	Female	88	137	Atraumatic	Closed reduction	No
10	Female	84	43	Atraumatic	Closed reduction	No
11	Female	84	3	Atraumatic	THA	Parkinson
12	Female	90	30	Atraumatic	THA	No

ISSN: 1749-799X