Table 4.

Multivariate repeated measurement logistic regression analysis for prediction of a maximum heart rate >130 bpm

	OR	Standard error	z	P>|z|	95% CI
Dexmedetomidine use	0.14	0.10	−2.71	0.007	0.03–0.58
Unilateral	1.78	1.66	0.62	0.53	0.29–11.08
Age	0.92	0.03	−2.52	0.012	0.86–0.98
S-ketamine dose	0.10	0.11	−2.00	0.046	0.01–0.96
Stimulation dose	1.01	0.01	1.41	0.16	1.00–1.02

Notes: Unilateral, right unilateral electrode placement. Number of observations: 178, number of groups: 7. Bold data is statistically significant.

Abbreviations: OR, odds ratio; CI, confidence interval.