Table 2 Results of the analysed data
From: Zimmer Natural Nail and ELOS nails in pertrochanteric fractures
ZNN | ELOS | Student’s t test | |
|---|---|---|---|
Duration of surgery | 41.76 (15–130) min; 17.2 SD | 45.82 (20–110) min; 17.76 SD | P = 0.151 |
Transfusions performed | 1.98 (0–6) U of blood; 1.43 SD | 1.63 (0–5) U of blood; 1.46 SD | P = 0.350 |
TAD | 17.50 (4.42–41.85) mm; 7.25 SD | 19.65 (5.08–31.4) mm; 7.28 SD | P = 0.064 |
CalTAD | 20.76 (10.82–43.63) mm; 5.58 SD | 22.86 (12.66–33.77) mm; 5.75 SD | P = 0.027 |
Hospitalization time | 10.19 (4–22) days; 3.44 SD | 10.45 (5–24) days; 3.43 SD | P = 0.630 |
Haemoglobin variation | 3.5 (0.3–6.6) g; 1.25 SD | 3.25 (1.2–6.8) g; 1.28 SD | P = 0.209 |
Nail positioning | Cen-Ant: 4 | Cen-Ant: 3 | |
Cen-Cen: 43 | Cen-Cen: 15 | ||
Cen-pos: 8 | Cen-pos: 5 | ||
Inf-Cen: 10 | Inf-Cen: 7 | ||
Inf-Pos: 48 | Inf-Pos: 25 | ||
sup-ant: 4 | sup-ant: 1 | ||
pos-sup: 0 | pos-sup: 0 | ||
ant- inf: 0 | ant- inf: 1 | ||
sup-cent: 2 | sup-cent: 2 | ||
Costs | 700 euro | Short: 450 euro | |
Long: 520 euro |