Table 2.
Study Characteristics and Demographic data. Order of listing: CFR PEEK sample vs Metal sample.
| Lead author | Year & Country | Journal | Sample | Mean Age | Male Sex | Dominant Limb Affected | BMI | Fracture Type |
|---|---|---|---|---|---|---|---|---|
| Ziegler10 | 2019, Germany | Deutsches Arzteblatt International | 63 (32 vs 31) | 61.8 ± 12.4 vs 60.9 ± 12.4 | 6/32 vs 7/31 | 15/32 vs 14/31 | 26.4 ± 5.7 vs 26.2 ± 4.7 | Proximal Humerus Fractures |
| Neer 2 part: 6 vs 5 | ||||||||
| Neer 3 part: 22 vs 13 | ||||||||
| Neer 4 part: 4 vs 13 | ||||||||
| Padolino11 | 2018, Italy | Musculoskeletal Surgery | 42 (21 vs 21) | 57.4 (41–78) vs 55.8 (22–78) | 9/21 vs 7/21 | 8/21 vs 13/21 | 27.5 (21.5–38.9) vs 26.8 (17.5–38.1) | Proximal Humerus Fractures |
| Neer 3 part: 14 vs 17 | ||||||||
| Neer 4 part: 7 vs 4 | ||||||||
| Katthagen12 | 2017, Germany | Eur J Orthop Surg Traumatol | 42 (21 vs 21) | 66.8 ± 9.9 vs 67.4 ± 9.7 | 7/21 vs 7/21 | NR | NR | Proximal Humerus Fractures |
| Neer 2 part: 2 vs 2 | ||||||||
| Neer 3 part: 9 vs 12 | ||||||||
| Neer 4 part: 10 vs 7 | ||||||||
| Schliemann13 | 2015, Germany | J Shoulder Elbow Surg | 58 (29 vs 29) | 66.4 (23–87) vs NR | 7/29 vs NR | NR | NR | Proximal Humerus Fractures (Neer parts 3 and 4) |
| Perugia14 | 2017, Italy | Injury | 30 (15 vs 15) | 56.8 ± 7.1 vs 52.6 ± 8.4 | 5/15 vs 4/15 | 4/15 vs 6/15 | NR | Distal radius fractures |
| Mitchell15 | 2018, USA | J Orthopaedic Trauma | 22 (11 vs 11) | 71.7 (51–89) vs 57.3 (27–86) p = 0.03 | 3/11 vs 3/11 | NA | NR | Distal femur fractures |
| Byun16 | 2020, USA | Eur J Orthop Surg Traumatol | 31 (10 vs 21) | 49.8 (23–80) vs 54.9 (18–89) | 6/10 vs 10/21 | NA | 28.8 (19.1–44.1) vs 27.1 (18.9–47.5) | Distal femur fractures |
| Guzzini17 | 2017, Italy | Injury | 87 (46 vs 41) | 56.8 ± 2.34 vs 58.3 ± 3.55 | 14/46 vs 11/41 | NR (but groups reported as homogenous) | NR (but groups reported as homogenous) | Ankle fractures |
| AO class A: 4.3% vs 4.9% | ||||||||
| AO class B: 73.9% vs 75.6% | ||||||||
| AO class C: 21.7% vs 19.5% | ||||||||
| Ziran18 | 2020, USA | J Orthopaedic Trauma | 56 (26 vs 30) | 36 (20–79) vs 39 (15–74) | 24/26 vs 18/30 | NA | NR | Diaphyseal Tibial fractures |
| AO class A: 5 vs 13 | ||||||||
| AO class B: 10 vs 9 | ||||||||
| AO class C: 11 vs 8 |
KEY.
NR: not recorded.
NA: not applicable.