Table 3. Statistical Comparison of Good and Poor TAD Groups.
| Variable | TAD 25 mm or less (n=137) | Above TAD 25 mm (n=64) | P-value | |
|---|---|---|---|---|
| Age (yr) | 81.5±6.5 | 81.5±6.7 | 0.978 | |
| Sex | 0.068 | |||
| Male | 38 (27.7) | 26 (40.6) | ||
| Female | 99 (72.3) | 38 (59.4) | ||
| BMD (g/cm2) | 3.3±1.0 | 3.2±0.9 | 0.394 | |
| BMD | 0.394 | |||
| T score >–2.5 | 27 (19.7) | 16 (25.0) | ||
| T score ≤–2.5 | 110 (80.3) | 48 (75.0) | ||
| BMI (kg/m2) | 22.2±3.9 | 21.7±3.2 | 0.332 | |
| BMI* | 0.367 | |||
| Underweight | 22 (16.1) | 11 (17.2) | ||
| Normal | 85 (62.0) | 44 (68.8) | ||
| Overweight | 30 (21.9) | 9 (14.1) | ||
| ASA class | 0.163 | |||
| 1, 2 | 89 (65.0) | 35 (54.7) | ||
| 3, 4 | 48 (35.0) | 29 (45.3) | ||
| Koval grade | 0.412 | |||
| 1 | 46 (33.6) | 25 (39.1) | ||
| 2, 3 | 65 (47.4) | 24 (37.5) | ||
| 4, 5, 6 | 26 (19.0) | 15 (23.4) | ||
| Type of fracture | 0.553 | |||
| Stable | 95 (69.3) | 47 (73.4) | ||
| Unstable | 42 (30.7) | 17 (26.6) | ||
Values are presented as mean±standard deviation or number (%).
TAD: tip-apex distance, BMD: bone mineral density, BMI: body mass index, ASA: American Society of Anesthesiologists.
*Underweight: <18.5 kg/m2, Normal: 18.5-25 kg/m2, Overweight: >25 kg/m2.