Table 2.
Intraoperative and early postoperative results
| Variable | DA THA group (n = 126) | MP THA group (n = 96) | p value |
|---|---|---|---|
| Anesthesia time (minutes) | < 0.0001 | ||
| Mean (SD) | 192.8 (43.9) | 136.8 (23.4) | |
| Median | 187.0 | 135.5 | |
| Q1, Q3 | 169.0, 204.0 | 122.5, 144.5 | |
| Range | 136.0–490.0 | 99.0–225.0 | |
| Operative time (minutes) | < 0.0001 | ||
| Mean (SD) | 114.6 (28.2) | 60.5 (13.5) | |
| Median | 111.0 | 58.0 | |
| Q1, Q3 | 98.0, 127.0 | 50.0, 68.0 | |
| Range | 60.0–251.0 | 41.0–113.0 | |
| Operative complications (number of patients) | 0.8753 | ||
| Missing | 1 | 0 | |
| No | 122 (97%) | 94 (97%) | |
| Yes | 3 (2%) | 2 (2%) | |
| Length of stay (days) | 0.2997 | ||
| Mean (SD) | 2.5 (0.9) | 2.3 (0.5) | |
| Median | 2.0 | 2.0 | |
| Q1, Q3 | 2.0, 3.0 | 2.0, 3.0 | |
| Range | 1.0–9.0 | 2.0–5.0 | |
| Stairs with physical therapy (number of patients) | 0.3585 | ||
| No | 25 (19%) | 24 (25%) | |
| Yes | 101 (80%) | 72 (75%) | |
| Maximum walking distance with physical therapy (feet) | 0.1688 | ||
| Mean (SD) | 170.3 (83.3) | 152.3 (75.0) | |
| Median | 155.0 | 150.0 | |
| Q1, Q3 | 100.0, 200.0 | 110.0, 200.0 | |
| Range | 0.0–650.0 | 4.0–400.0 | |
| Intravenous opiate breakthrough (number of patients) | 0.6103 | ||
| No | 113 (89%) | 84 (87%) | |
| Yes | 13 (10%) | 12 (12%) | |
| VAS pain score (points) | < 0.0001 | ||
| Number | 126 | 95 | |
| Mean (SD) | 5.3 (2.3) | 3.8 (1.8) | |
| Median | 5.0 | 4.0 | |
| Q1, Q3 | 4.0, 7.0 | 3.0, 5.0 | |
| Range | 0.0–10.0 | 0.0–8.0 | |
| Discharge status (number of patients) | 0.8555 | ||
| Home | 101 (80%) | 76 (79%) | |
| Skilled nursing facility | 25 (19%) | 20 (20%) | |
| Hospital complications (number of patients) | 0.4259 | ||
| No | 121 (96%) | 94 (97%) | |
| Yes | 5 (4%) | 2 (2%) | |
DA = direct anterior approach; MP = miniposterior approach; Q1, Q3 = first, third quartiles; VAS = visual analog scale.