Table 4.
Main predictors for NRS 1 and 4 h postoperatively.
| NRS at 1 h | NRS at 8 h | |||||||
|---|---|---|---|---|---|---|---|---|
| Variable | Univariate | p-Value | Multivariate | p-Value | Univariate | p-Value | Multivariate | p-Value |
| STAI A/E | 0.08 (0.04–0.11) |
<0.001 | 0.06 (0.02–0.1) |
0.003 | 0.04 (0.01–0.08) |
0.024 | 0.04 (0–0.08) |
0.029 |
| STAI A/R | 0.05 (−0.01–0.11) |
0.09 | −0.01 (−0.07–0.05) |
0.76 | 0.04 00280.01–0.09) |
0.13 | 0.03 00280.06–0.06) |
0.968 |
| Age | –0.06 (−0.09–−0.03) |
<0.001 | −0.07 (−0.1–−0.04) |
<0.001 | −0.04 (−0.07–−0.02) |
0.001 | −0.05 (−0.08–−0.03) |
<0.001 |
| Female gender | 0.07 (−0.88–1.02) |
0.88 | −0.7 (−1.55–0.15) |
0.11 | −0.19 (−1.01–0.63) |
0.648 | −0.72 (−1.5–0.06) |
0.068 |
| Depression | 0.23 (–0.89–1.34) |
0.69 | 0.93 (−0.05–1.9) |
0.06 | 0.8 (–0.15–1.75) |
0.097 | 1.48 (0.6–2.36) |
0.001 |
| ASA physical status 3–4 | 0.32 (−0.6–1.24) |
0.49 | 0.63 (−0.13–1.4) |
0.1 | - | - | - | - |
| MMSE | –0.03 (−0.38–0.32) |
0.87 | –0.25 (−0.56–0.06) |
0.11 | - | - | - | - |
| Parietal/occipital craniotomy | - | - | - | - | 0.04 (−0.83–0.92) |
0.924 | 0.76 (−0.02–1.54) |
0.056 |
| Length of surgery | - | - | - | - | 0 (−0.01–0) |
0.138 | −0.003 (−0.01–0) |
0.163 |
Data are expressed as coefficient (95% CI). NRS: Numerical Rating Score; STAI A/E: State-Trait Anxiety Inventory State Anxiety; STAI A/R: State-Trait Anxiety Inventory Trait Anxiety; MMSE: Mini-Mental State Examination; ASA: American Society of Anesthesiologists.