Infraclavicular nerve block reduces postoperative pain after distal radial fracture fixation: a randomized controlled trial

Table 2 Postoperative NRS pain scores at rest and with movement

NRS pain scores	GA (n = 26)	RA (n = 26)	P values
At rest
On arrival to PACU	5.5 [2–8]	0 [0–0]	< 0.001^*
Postoperative 1 h	5 [5–8]	0 [0–0]	< 0.001^*
Postoperative 2 h	5 [3.75–8]	0 [0–0]	< 0.001^*
Postoperative 24 h	4.5 [2–6]	1.5 [0–3]	0.001^*
Postoperative 48 h	4.5 [3–6]	1 [0–2]	< 0.001^*
Postoperative 3 months	2 [0–3.25]	2 [1–3]	0.737
Postoperative 6 months	1 [0–2.5]	2 [0–3]	0.991
Weighted AUC 0–48 h	5.1 [2.8–5.8]	1.1 [0–2.1]	< 0.001*
Weighted AUC 3–6 months	1.5 [0.5–2.5]	1.5 [0.5–3.0]	0.992
On movement of the operated limb	(n = 26)	(n = 26)
On arrival to PACU	7.5 [2.75–8.25]	0 [0–0]	< 0.001^*
Postoperative 1 h	6 [5–8]	0 [0–0]	< 0.001^*
Postoperative 2 h	6.5 [4–8.25]	0 [0–0]	< 0.001^*
Postoperative 24 h	6 [4–7.25]	2 [2–4.25]	0.001^*
Postoperative 48 h	5 [4–7]	2 [1.75–3]	< 0.001^*
Postoperative 3 months	4 [2–7]	3 [1.75–5]	0.332
Postoperative 6 months	3 [0.5–5]	3 [0–3.25]	0.254
Weighted AUC 0–48 h	6.0 [4.5–6.9]	1.5 [1.4–3.2]	< 0.001*
Weighted AUC 3–6 months	3.5 [2.3–5.5]	3.3 [0.9–4.1]	0.254

Weighted AUC indicates weighted area under curve; h hours; NRS numerical rating scale
PACU indicates post-anesthetic care unit, values in median [Interquartile range]
Patient sample size at postoperative 6 months was 25 for both groups
^* Significantly different at P ≤ 0.05

ISSN: 1471-2253