| Baseline HRQOL scores [M (IQR)], n = 290 | |||
---|---|---|---|---|
Domain/scale | Non-tea-drinking | Tea-drinking | Z | P value |
QLQ-C30 | ||||
 Global health status/QOL | 75.00(66.67, 83.33) | 75.00(66.67, 83.33) | −0.201 | 0.840 |
 Functional scales |  |  |  |  |
  Physical functioning | 100.00(93.33, 100.00) | 100.00(93.33, 100.00) | −0.311 | 0.756 |
  Role functioning | 100.00(100.00, 100.00) | 100.00(100.00, 100.00) | −0.412 | 0.680 |
  Emotional functioning | 100.00(75.00, 100.00) | 100.00(83.33, 100.00) | −1.159 | 0.246 |
  Cognitive functioning | 100.00(100.00, 100.00) | 100.00(100.00, 100.00) | −0.148 | 0.882 |
  Social functioning | 66.67(66.67, 100.00) | 100.00(66.67, 100.00) | −2.262 | 0.024 |
 Symptom scales |  |  |  |  |
  Fatigue | 0.00(0.00, 22.22) | 0.00(0.00, 22.22) | −1.234 | 0.217 |
  Nausea/vomiting | 0.00(0.00, 0.00) | 0.00(0.00, 0.00) | −1.029 | 0.303 |
  Pain | 0.00(0.00, 16.67) | 0.00(0.00, 16.67) | −1.215 | 0.224 |
  Dyspnea | 0.00(0.00, 0.00) | 0.00(0.00, 0.00) | −0.115 | 0.908 |
  Insomnia | 0.00(0.00, 33.33) | 0.00(0.00, 0.00) | −2.816 | 0.005 |
  Appetite loss | 0.00(0.00, 33.33) | 0.00(0.00, 0.00) | −0.628 | 0.530 |
  Constipation | 0.00(0.00, 0.00) | 0.00(0.00, 0.00) | −1.227 | 0.220 |
  Diarrhea | 0.00(0.00, 0.00) | 0.00(0.00, 0.00) | −0.177 | 0.860 |
QLQ-QES18 | ||||
 General symptom scales |  |  |  |  |
  Dysphagia | 77.78(66.67, 88.89) | 88.89(66.67,100.00) | −0.547 | 0.584 |
  Eating problems | 0.00(0.00, 6.67) | 0.00(0.00, 8.33) | −0.389 | 0.697 |
  Reflux | 0.00(0.00, 0.00) | 0.00(0.00, 0.00) | −0.030 | 0.976 |
  Odynophagia | 11.11(0.00, 11.11) | 11.11(0.00, 22.22) | −1.155 | 0.248 |
 General symptom items |  |  |  |  |
  Trouble swallowing saliva | 0.00(0.00, 0.00) | 0.00(0.00, 0.00) | −0.045 | 0.964 |
  Choking when swallowing | 33.33(0.00, 33.33) | 33.33(0.00, 33.33) | −0.526 | 0.599 |
  Dry mouth | 0.00(0.00, 0.00) | 0.00(0.00, 0.00) | −1.212 | 0.225 |
  Trouble with taste | 0.00(0.00, 0.00) | 0.00(0.00, 0.00) | −0.491 | 0.624 |
  Coughing | 0.00(0.00, 0.00) | 0.00(0.00, 0.00) | −0.272 | 0.786 |
  Speech problems | 0.00(0.00, 0.00) | 0.00(0.00, 0.00) | −1.288 | 0.198 |