Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 1 Peri-operative variables
Peri-operative variables | Static distal locking (ST) | Dynamic distal locking (DN) | p |
|---|---|---|---|
Number of cases | 151 | 57 | |
Pre-Sx. classifications | |||
Jensen | 0.002a* | ||
I: simple, non-displaced | 1 (0.7%) | 4 (7.0%) | |
II: simple or displaced basicervical | 45 (29.8%) | 27 (47.4%) | |
III: displaced, extended to GT | 10 (6.6%) | 5 (8.8%) | |
IV: displaced, extended to LT | 67 (44.4%) | 17 (29.8%) | |
V: displaced, extended to GT/LT | 28 (18.5%) | 4 (7.0%) | |
Stability (Jensen) | 0.001a* | ||
Stable (I + II) | 46 (30.5%) | 31 (54.3%) | |
Unstable (III + IV + V) | 105 (69.5%) | 26 (45.6%) | |
AO/OTA 2007 | 0.008b* | ||
A1 | 39 (26.2%) | 24 (50.0%) | |
A2 | 93 (62.4%) | 21 (43.8%) | |
A3 | 17 (11.4%) | 3 (6.3%) | |
Stability (AO/OTA 2007) | 0.000b* | ||
Stable (A1 + A2.1) | 84 (55.6%) | 39 (68.4%) | |
Unstable (A2.2 + A2.3 + A3) | 65 (43.0%) | 9 (15.8%) | |
“Pure” basicervical (B2.1) | 2 (1.3%) | 9 (15.8%) | |
Stability (Massoud) | 0.007b* | ||
Stable (Non-basicerv-equiv.) | 10 (6.6%) | 11 (19.3%) | |
Unstable (Basicerv-equiv.) | 141 (93.4%) | 46 (80.7%) | |
Medical | |||
Average stay (days) | 9.71 (SD 3.48) (4;26) | 9.54 (SD 2.96) (4;20) | 0.985c |
Pre-Sx. stay (days) | 3.45 (SD 2.62) (0;9) | 2.86 (SD 2.26) (0;7) | 0.130c |
Post-Sx. stay (days) | 6.22 (SD 2.81) (3;25) | 6.67 (SD 2.60) (3;20) | 0.075c |
Immediate post-Sx. PWB | 0.003b* | ||
No | 90 (59.6%) | 21 (36.8%) | |
Yes | 61 (40.4%) | 36 (63.2%) | |
Estimated blood loss (g/dl Hb) | 1.816 (SD 1.79) (−3.5;5.8) | 2.260 (SD 1.53) (−2.3;5.9) | 0.140c |
Total transfusions [Hem] | 1.31 (SD 1.40) (0;8) | 1.281 (SD 1.32) (0;5) | 0.635c |
Social situation | 0.518b | ||
At home alone | 0 (0%) | 0 (0%) | |
At home accompanied | 64 (42.4%) | 27 (47.4%) | |
Institutionalised | 87 (57.6%) | 30 (52.6%) | |
Dependency | 0.483c | ||
Barthel | 46.29 (SD 20.60) (10;80) | 48.68 (SD 21.74) (10;85) | |
Radiological | |||
TAD | 22.958 (SD 6.50) (6.76;43.42) | 22.42 (SD 6.67) (10.78;39.49) | 0.647c |
Cleveland quadrants (position) % | 0.189b | ||
Anterosuperior (1) | 4 (2.6%) | 0 (0%) | |
Superior–central (2) | 9 (6.0%) | 0 (0%) | |
Posterosuperior (3) | 0 (0%) | 0 (0%) | |
Anterior–central (4) | 15 (9.9%) | 6 (10.5%) | |
Centre–centre (5) | 86 (57%) | 32 (56.1%) | |
Posterior–central (6) | 8 (5.3%) | 3 (5.3%) | |
Anteroinferior (7) | 2 (1.3%) | 0 (0%) | |
Inferior–central (8) | 16 (10.6%) | 6 (10.5%) | |
Posteroinferior (9) | 11 (7.3%) | 10 (17.5%) | |
C. Cleveland (centre versus no centre) | 0.916b | ||
Centre–centre (5) | 86 (57.0%) | 32 (56.1%) | |
Rest of positions | 65 (43.0%) | 25 (43.9%) | |
Post-Sx. classifications | |||
Fogagnolo | 0.12b | ||
Poor | 9 (6.0%) | 0 (0%) | |
Acceptable | 51 (33.8%) | 17 (29.8%) | |
Good | 91 (60.3%) | 40 (70.2%) |