Table 3. Functional and symptom scales of EORTC QLQ C-30/QLQ OES18 association with HRQoL among oesophageal cancer in TASH, Ethiopia, 2019.

Variables	COR (95% CI)	p-value
EORTC scales (QLQ C-30)
Functional scales
Physical function	1.004–1.030	0.009
Role function	1.008–1.033	0.001
Emotional function	0.992–1.015	0.541
Cognitive function	1.002–1.026	0.023
Social function	0.995–1.018	0.243
Symptom scales/items
Fatigue	0.969–0.993	0.002
Pain	0.966–0.994	0.006
Nausea and vomiting	0.980–0.999	0.025
Dyspnoea	0.976–0.994	0.001
Insomnia	0.983–1.001	0.069
Appetite loss	0.988–1.003	0.266
Constipation	0.988–1.003	0.264
Diarrhoea	0.975–1.005	0.182
Financial difficulties	0.958–0.993	0.006
EORTC scales (QLQ OES18)
Trouble saliva swallowing	0.988–1.005	0.463
Chocking	0.985–1.003	0.163
Dysphagia	0.974–1.00	0.057
Eating difficulty	0.976–1.004	0.145
Dry mouth	0.986–1.002	0.158
Trouble tasting	0.988–1.005	0.433
Trouble cough	0.982–0.999	0.029
Trouble talking	0.980–0.999	0.029
Reflux	0.987–1.008	0.645
Pain	0.981–1.006	0.310