Table 4: Cumulative postoperative morphine. 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.

Morphine consumption in the PACU (mg)

NOL-guided group

(prospective cohort)

(n=34)

Control group

(retrospective cohort)

(n=36)

P-value

(Mann-Whitney)

Mean

5.2

5.4

0.953

Median

4

5

CI (25th -75th)

2-8.7

2-6.5

Min.

0

0

Max.

12

18