Erector spinae plane block at lower thoracic level for analgesia in lumbar spine surgery: A randomized controlled trial

Table 2 Intraoperative variables

	ESPB group (n = 30)	Control group (n = 29)	P value
Duration of anesthesia, min	193 ± 56	205 ± 54	0.242
Dose of sufentanil, ug	20 ± 6	25 ± 6	0.003
Dose of cisatracurium, mg	31 ± 12	41 ± 10	0.001
MOAA/S at extubation	4.1 ± 0.5	3.3 ± 0.6	0.000
MOAA/S 10 min after extubation	4.5 ± 0.5	4.0 ± 0.5	0.001
MOAA/S 20 min after extubation	4.9 ± 0.3	4.4 ± 0.6	0.000
MOAA/S 30 min after extubation	5.0 ± 0.0	4.9 ± 0.4	0.073
Duration in the PACU, min	35 ± 2	44 ± 15	0.001

Results are presented as the mean ± SD. ESPB: Erector spinae plane block; PACU: Post-anesthesia care unit; MOAA/S: Modified Observer’s Assessment of Alertness/Sedation score.