Table 2.
Surgical details and outcomes of constrained liners and dual-mobility implants.
| Variable | Total |
Dual mobility |
Constrained liner |
P value |
|---|---|---|---|---|
| N = 191 | N = 139 | N = 52 | ||
| Surgery duration (min) | 87.0 [60.0; 117] | 81.0 [58.5; 113] | 114 [80.0; 123] | .013 |
| Laterality | .829 | |||
| Left | 74 (38.7%) | 55 (39.6%) | 19 (36.5%) | |
| Right | 117 (61.3%) | 84 (60.4%) | 33 (63.5%) | |
| Length of stay | 2.00 [2.00;4.00] | 2.00 [1.00;3.00] | 3.00 [2.00;6.00] | .008 |
| Operation type | 1.000 | |||
| Inpatient | 96 (99.0%) | 71 (98.6%) | 25 (100%) | |
| Outpatient | 1 (1.03%) | 1 (1.39%) | 0 (0.00%) | |
| Stem revised | .323 | |||
| No | 79 (41.4%) | 54 (38.8%) | 25 (48.1%) | |
| Yes | 112 (58.6%) | 85 (61.2%) | 27 (51.9%) | |
| Reason for revision (septic) | .555 | |||
| No | 157 (84.4%) | 113 (83.1%) | 44 (88.0%) | |
| Yes | 29 (15.6%) | 23 (16.9%) | 6 (12.0%) | |
| Dislocations | .667 | |||
| No | 164 (88.6%) | 121 (89.6%) | 43 (86.0%) | |
| Yes | 21 (11.4%) | 14 (10.4%) | 7 (14.0%) | |
| Adverse reactions/ALTR | 1.000 | |||
| No | 167 (89.8%) | 122 (89.7%) | 45 (90.0%) | |
| Yes | 19 (10.2%) | 14 (10.3%) | 5 (10.0%) | |
| Metallosis | .737 | |||
| No | 174 (93.5%) | 128 (94.1%) | 46 (92.0%) | |
| Yes | 12 (6.45%) | 8 (5.88%) | 4 (8.00%) | |
| Intrahospital complication | .391 | |||
| No | 74 (76.3%) | 57 (79.2%) | 17 (68.0%) | |
| Yes | 23 (23.7%) | 15 (20.8%) | 8 (32.0%) |
ALTR, adverse local tissue reaction.