Control (n = 25) | SNB (n = 25) | P-value | |||
---|---|---|---|---|---|
Median | (25–75) | Median | (25–75) | ||
Pain at rest (NRS; 0–10) | |||||
6 h | 1 | 0–4.5 | 0 | 0–0 | 0.012* |
12 h | 3 | 0–5 | 0 | 0–3 | 0.021* |
18 h | 3 | 2–5 | 1 | 0–3 | 0.010* |
24 h | 3 | 1–5 | 2 | 1–3.5 | 0.187 |
Pain on movement (NRS; 0–10) | |||||
6 h | 3 | 0–5.5 | 0 | 0–1.5 | 0.019* |
12 h | 5 | 2.5–6.5 | 2 | 0–4 | 0.005* |
18 h | 7 | 4–9 | 3 | 2–5 | 0.001* |
24 h | 5 | 4.5–8 | 5 | 2.5–7 | 0.169 |
Anterior-knee pain (NRS; 0–10) | |||||
6 h | 2 | 0–4.5 | 0 | 0–0 | 0.002* |
12 h | 2 | 0–4 | 0 | 0–3 | 0.032* |
18 h | 3 | 0.5–5 | 1 | 0–3 | 0.015* |
24 h | 3 | 1.5–5 | 2 | 0–2.5 | 0.028* |
Posterior-knee pain (NRS; 0–10) | |||||
6 h | 0 | 0–0 | 0 | 0–0 | 0.370 |
12 h | 0 | 0–2.5 | 0 | 0–0 | 0.038* |
18 h | 0 | 0–2 | 0 | 0–0 | 0.129 |
24 h | 0 | 0–2 | 0 | 0–1 | 0.666 |
Motor weakness (n, %) | |||||
6 h | 4 | 16% | 6 | 24% | 0.615 |
12 h | 2 | 8% | 2 | 8% | 1.000 |
18 h | 1 | 4% | 1 | 4% | 1.000 |
24 h | 1 | 4% | 0 | 0% | 1.000 |
Pain on physiotherapy (NRS; 0–10) | |||||
24 h | 6 | 5–8 | 5 | 3–7 | 0.083 |
48 h | 3.5 | 2.3–6.8 | 3.5 | 2–5 | 0.478 |
Patient satisfaction score (0–10) | 10 | 8–10 | 10 | 10–10 | 0.085 |
Total morphine in 24 h (mg) | 4 | 2–8 | 2 | 0–2.5 | 0.005* |