Table 3: VAS pain score at T0, when the patient awoke from the surgery, and 1, 2 hrs. after T0, in the PACU. Values are displayed as the mean and median (quartiles) with P-values (group comparison by Mann–Whitney U-tests).
Abbreviations: NOL: Nociception Level; CI: Confidence interval; PACU: post-anesthesia care unit.

VAS score

NOL-guided group
(prospective cohort)
(n=34)

Control group
(retrospective cohort)
(n=36)

P-value

T0 (in the OR)

Mean

1.9

2.9

0.132

Median

0

2

25%–75% percentiles

0-4

0-5

Min.

0

0

Max.

7

9

In the PACU

Mean

2.8

2.9

0.663

Median

1

2

CI (25th -75th)

0-5.2

0-6

Min.

0

0

Max.

9

8