Table 3.

Evaluating the determinants associated with pain recurrence and the use of fentanyl as rescue analgesia. Logistic regression was used to calculate the adjusted odds ratio (OR) for different age groups and gender

Characteristics	Coefficient β	OR (95% CI)	p-value
Age (years)
20–29  (Reference)	–	–	–
30–39	− 0.214	0.807 (0.221–2.945)	0.746
40–49	0.513	1.671 (0.369–7.556)	0.505
≥ 50	1.242	3.464 (0.410–29.253)	0.254
Gender
Male  (Reference)	–	–	–
Female	1.535	4.643 (1.534–14.054)	0.007*

*p-value ≤ 0.05