Table 2.

Comparison of peri-positioning NRS scales, quality of patient’s position. Data are expressed as median (percentiles 25–75)

	PENG Group	Control Group	p
Preop NRS	5 (4-5.25)	5 (4–6)	0.885
Prepositioning NRS	2 (2–2)	4 (3–4)	< 0.0001
Positioning NRS	3 (3–4)	5 (4–5)	< 0.0001
Post positioning NRS	2 (2–2)	3 (2–3)	< 0.0001
Quality of patient’s position	3 (3–3)	2 (2–2)	< 0.0001