Opioid-free general anaesthesia for transthoracic oesophagectomy: does it improve postoperative analgesia and other recovery criteria? A prospective randomised study

Ain-Shams Journal of Anesthesiology

Table 1 Patients’ characteristics and surgical history of the participants

	*Group (A)* *OFA (No. 15)*	Group (B) OBA (NO. 15)	Test P value
Age (years)			T = 0.644 0.525
Range	30‑60	3‑57
Mean ± SD	41.40 ± 7.66	43.13 ± 7.08
Gender			X² = 0.001
M/F (no.)	10/5	9/6	X² = 0.001
BMI (kg/m²)			T = 1.48 0.151
Range	22‑32	22‑32
Mean ± SD	27.53 ± 3.04	26.0 ± 2.62
ASA status			X² = 0.001
ASA I‑II	11	10	X² = 0.001
Cause of oesophagectomy (no.)			X² = 0.001
• Cancer	10	11
• Non-cancerous	5	4
History of previous abdominal surgery			X² = 0.001
Yes	8	7
No	7	8
Duration of surgery (h)			T = 1.35 0.19
Mean ± SD	6.19 ± 0.91	6.87 ± 1.73	T = 1.35 0.19

BM body mass index, ASA American Society of Anesthesiologists, T student t test, X² Chi square test, P was significant if < 0.05