Effect of hyperthermia combined with opioids on cancer pain control and surgical stress in patients with gastrointestinal cancer

Table 4 Comparison of daily dosage and incidence of adverse reactions of opioid drugs between the two groups of patients, n (%)

Item	Group S (n = 35)	Group L (n = 35)	t/χ2	P value
Daily dosage of opioid drugs (mg)	78.65 ± 18.92	49.74 ± 13.65	7.331	< 0.001
Adverse reactions
Nausea and vomiting	16 (45.71)	6 (17.14)	6.629	0.010
Constipation	21 (60.00)	9 (25.71)	8.400	0.004
Dizziness and drowsiness	13 (37.14)	11 (31.43)	0.254	0.615
Delirium hallucination	3 (8.57)	2 (5.71)	0.215	0.643
Dysuria	9 (25.71)	2 (5.71)	5.285	0.022
Respiratory depression	2 (5.71)	1 (2.86)	0.348	0.555