Table 1 Demographics of all included patients with HA performed because of FNF and p-value results of univariate analysis
Variable | Complete study population n = 772 (no.) | HAs without dislocation n = 714 (mean [range]) (no. (%)) | HAs with dislocation n = 58 (mean [range]) (no. (%)) | p-value* |
|---|---|---|---|---|
Age (years) | 772 | 84 [53–105] | 86 [63–100] | 0.2 |
Follow days (days) | 772 | 1,144 [0–3782] | 686 [6–3217] | < 0.001 |
Dead | 772 | 518 (73%) | 49 (84%) | 0.048 |
Year of surgery 2010 2011 2012 2013 2014 2015 2016 | 772 | 121 (17%) 114 (16%) 110 (15%) 106 (15%) 101 (14%) 101 (14%) 61 (8.5%) | 9 (16%) 7 (12%) 10 (17%) 10 (17%) 10 (17%) 6 (10%) 6 (10%) | > 0.9 |
Sex Female Male | 772 | 532 (75%) 182 (25%) | 44 (76%) 14 (24%) | 0.8 |
BMI Normal Obese Underweight | 763 | 491 (70%) 127 (18%) 87 (12%) | 40 (69%) 10 (17%) 8 (14%) | > 0.9 |
Dementia Yes No | 772 | 211 (30%) 503 (70%) | 30 (52%) 28 (48%) | < 0.001 |
Alcohol overuse False True | 758 | 630 (90%) 72 (10%) | 50 (89%) 6 (11%) | > 0.9 |
Residence Home Nursing home Other** | 766 | 420 (59%) 189 (27%) 99 (14%) | 23 (40%) 22 (38%) 13 (22%) | 0.013 |
Chronic obstructive pulmonary disease | 769 | 88 (12%) | 7 (12%) | < 0.9 |
ASA score 1 + 2 3 + 4 | 770 | 302 (42%) 410 (58%) | 29 (50%) 29 (50%) | 0.1 |
Surgery delay (hours) | 765 | 26 (370) | 26 (313) | 0.8 |
Highest surgeon or supervisor experience Junior Senior | 769 | 220 (31%) 491 (69%) | 19 (33%) 39 (67%) | 0.8 |
Prostheses head size | 742 | (Discontinued due to small test size) | 0.7 | |
Prostheses stem size | 757 | (Discontinued due to small test size) | 0.021 | |
Anesthesia Epidural GA Spinal | 766 | 130 (18%) 479 (68%) 100 (14%) | 10 (18%) 41 (72%) 6 (11%) | 0.7 |