High Eckardt score and previous treatment were associated with poor postperoral endoscopic myotomy pain control: A retrospective study

Table 2 Univariate and multivariate logistic regression analyses of poor pain control, defined as those whose 12-h visual analog scale score was greater than 3

Parameter	Univariate		Multivariate
	OR (95%CI)	P value	OR (95%CI)	P value
Sex	0.52 (0.16-1.71)	0.283
Age	0.99 (0.95-1.02)	0.45
Duration	1.12 (0.98-1.27)	0.091
Eckardt Score	1.64 (1.12-2.40)	0.011	1.82 (1.17-2.84)	< 0.001
Esophageal diameter	1.07 (1.01-1.14)	0.028
Esophageal dilatation classification	3.71 (1.02-13.51)	0.046
	5.57 (0.48-64.09)	0.17
Previous treatment	4.75 (0.88-25.65)	0.07	7.59 (1.12-51.23)	0.037
Operative time	1.01 (0.98-1.05)	0.40
Anesthesia time	1.01 (0.98-1.04)	0.55
Tunnel length	1.18 (0.69-2.01)	0.54
Myotomy length	1.20 (0.69-2.09)	0.52
Distance from muscle incision ending to cardia	4.00 (0.41-39.00)	0.23	1.52 (0.79-293.93)	0.072
Fentanyl dosage	0.46 (0.095-2.20)	0.33
Remifentanil dosage	1.00 (0.99-1.01)	0.96