Table 2.
Postoperative pain and motor outcomes
| Sham (n = 30) | PENG (n = 30) | P-value | |
|---|---|---|---|
| Maximum postoperative pain score (NRS) in Recovery Unit (Day 0), n (%)a | |||
| None (0) | 6 (20) | 14 (47) | 0.03 |
| Mild (1–4) | 14 (47) | 14 (47) | |
| Moderate (5–7) | 9 (30) | 2 (6) | |
| Severe (8–10) | 1 (3) | 0 (0) | |
| Quadriceps muscle strength in Recovery Unit (Day 0), n (%)a | |||
| Intact | 24 (80) | 23 (77) | 0.24 |
| Reduced | 4 (13) | 7 (23) | |
| Absent | 2 (7) | 0 (0) | |
| Maximum postoperative pain score (NRS) on Day 1, n (%)a | |||
| None (0) | 2 (6) | 1 (3) | 0.82 |
| Mild (1–4) | 8 (27) | 7 (23) | |
| Moderate (5–7) | 12 (40) | 11 (37) | |
| Severe (8–10) | 8 (27) | 11 (37) | |
| Quadriceps muscle strength on Day 1, n (%)a | |||
| Intact | 22 (73) | 24 (80) | 0.75 |
| Reduced | 6 (20) | 5 (17) | |
| Absent | 0 (0) | 0 (0) | |
| Unable to assess | 1 (3) | 1 (3) | |
Abbreviations: PENG Pericapsular nerve group block, NRS Numeric rating scale
a Chi2 test used