Table 1.
Patient characteristics and treatment aspects per implant type
| Characteristic | DHS N = 32 (25.4%) |
PFNA N = 94 (74.6%) |
P value |
|---|---|---|---|
| Patient characteristic | |||
| Mean age (years, SD) | 81.3 (8.2) | 80.9 (18) | 0.97 |
| Sex (f) | 23 (71.9) | 72 (75.8) | 0.59 |
| ASA classification | |||
| I–II | 16 (50.0) | 36 (38.3) | |
| III–IV | 16 (50.0) | 58 (61.7) | 0.25 |
| Cognitive impairment | 6 (18.8) | 37 (40.2) | 0.028 |
| Activities in daily living | |||
| Independent | 27 (87.1) | 62 (67.4) | |
| Dependent | 4 (12.9) | 30 (32.6) | 0.034 |
| Mobility | |||
| Independent | 19 (61.3) | 37 (39.4) | |
| With walking aid | 11 (35.5) | 38 (40.4) | |
| No independent mobility | 1 (3.2) | 19 (20.2) | 0.033 |
| Living situation | |||
| Home or residential home | 30 (93.8) | 77 (81.9) | |
| Nursing home | 2 (6.3) | 17 (18.1) | 0.15* |
| Treatment aspects | |||
| Time to surgery (h, SD) | 21.3 (14.8) | 24.8 (23.8) | 0.44 |
| Surgeons experience | |||
| Resident | 21 (65.6) | 61 (64.9) | |
| Surgeon | 11 (34.4) | 33 (35.1) | 0.94 |
| Operation time (min, IQR) | 47 (21) | 43 (27) | 0.020 |
| Surgical blood loss (ml, SD) | 100.8 (67.4) | 140.2 (108.9) | 0.15 |
| TAD > 25 mm | 1 (3.3) | 3 (3.3) | 1.00* |
| Reduction | |||
| Perfect | 6 (22.2) | 23 (25.3) | |
| Acceptable | 12 (44.4) | 40 (44.0) | |
| Poor | 9 (33.3) | 28 (30.8) | 0.94 |
SD standard deviation, IQR interquartile range, f female, ASA American Society of Anaesthesiologists, min minutes, ml millilitre, Italics indicate statistical significance (p < 0.05), TAD tip-apex distance, mm millimetre, *Fisher’s exact test