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Table 2 Postoperative pain and motor outcomes

From: The Pericapsular Nerve Group (PENG) block combined with Local Infiltration Analgesia (LIA) compared to placebo and LIA in hip arthroplasty surgery: a multi-center double-blinded randomized-controlled trial

  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)
  1. Abbreviations: PENG Pericapsular nerve group block, NRS Numeric rating scale
  2. a Chi2 test used