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Strength of quadriceps femoris muscle in the two groups.
| Preoperative | 1 h after AI | 2 h after AI | 3 h after AI | 24 h after AI | |
|---|---|---|---|---|---|
| EPB group | 5 (4–5) | 2 (1–3) | 3 (2–4) | 3 (2–4) | 5 (4–5) |
| PNB group | 5 (4–5) | 4 (3–5) | 5 (3–5) | 5 (4–5) | 5 (4–5) |
| P | 0.441 | <0.05 | <0.05 | <0.05 | 0.135 |
AI, anesthesia induction.
