Table 1.
Descriptive | Adapter | No adapter | |
---|---|---|---|
Number of revised implants | 296 (26.3) | 831 (73.7) | |
Mean age at revision (range) | 69 (25–89) | 71 (29–92) | |
Sex | |||
Female | 177 (60) | 533 (64) | |
Male | 119 (40) | 298 (36) | |
BMI group a | |||
Underweight | 3 (1) | 9 (1) | |
Normal | 87 (36) | 262 (39) | |
Overweight | 37 (15) | 129 (19) | |
Obese | 118 (48) | 279 (41) | |
Stems b | |||
CONUS Sulzer (Ti6Al7Nb) | 26 (9) | 64 (8) | |
CBC Mathys (Ti6Al4V) | 25 (8) | 39 (5) | |
ANCA FIT Cremascoli (Ti6Al4V) | 35 (12) | 21 (2) | |
CLS Sulzer (Ti6Al7Nb) | 15 (5) | 39 (5) | |
TAPERLOC Biomet (Ti6Al4V) | 15 (5) | 29 (3) | |
SL PLUS Endoplus (Ti6Al7Nb) | 5 (2) | 38 (5) | |
VERSYS FIBER METAL TAPER | |||
Zimmer (Ti6Al4V) | 6 (2) | 25 (3) | |
CONUS Zimmer (Ti6Al7Nb) | 5 (2) | 25 (3) | |
CORAIL Depuy (Ti6Al4V) | 5 (2) | 25 (3) | |
ABGII Howmedica (TMZF) | 3 (1) | 25 (3) | |
CFP Link (Ti) | 6 (2) | 16 (2) | |
CLS Zimmer (Ti6Al7Nb) | 6 (2) | 15 (2) | |
SPS Symbios (Ti6Al4V) | 9 (3) | 11 (1) | |
Others (models with < 20 cases) | 131 (45) | 454 (55) | |
Fixation | |||
Cementless | 271 (92) | 677 (82) | |
Cemented | 22 (8) | 150 (18) | |
Neckc | |||
Fixed | 218 (74) | 731 (88) | |
Modular | 78 (26) | 100 (12) | |
Head size | |||
< 28 mm | – | 10 (1) | |
28 mm | 57 (19) | 442 (56) | |
32 mm | 68 (23) | 164 (21) | |
36 mm | 143 (48) | 157 (19) | |
≥ 38 mm | 28 (10) | 21 (3) | |
Head materiald | |||
Biolox Delta | 268 (91) | 160 (20) | |
Biolox Forte | 3 (1) | 85 (11) | |
Ceramys | – | 5 (1) | |
Inox Stainless Steel | 16 (5) | 66 (8) | |
CrCo(Mo) | 9 (3) | 444 (56) | |
Oxinium | – | 37 (4) | |
Number of failures (stem + neck) | 5 (1.7) | 39 (4.7) | |
Number of failures (stem) | 3 (1.0) | 36 (4.3) |
Missing data: 203 (18% of the total).
Alloy of the cementless implant, all tapers are 12/14 except ABGII (V40) — missing data: 9 (1% of the total).
Missing data: 37 (3% of the total).
Missing data: 34 (3% of the total).