| Time to deterioration [M (IQR)], n = 290 | |||
---|---|---|---|---|
Domain/scale | Non-tea-drinking | Tea-drinking | Z | P value |
QLQ-C30 | ||||
 Global health status/QOL | 12.48(5.39,23.89) | 18(6.37,38.74) | −2.404 | 0.016 |
 Functional scales |  |  |  |  |
  Physical functioning | 12.32(5.75,18.53) | 15.47(7.29,31.21) | −2.851 | 0.004 |
  Role functioning | 16.66(10.64,29.60) | 22.60(9.90,47.23) | −2.033 | 0.042 |
  Emotional functioning | 17.45(10.64,29.83) | 24.97(14.69,45.14) | −2.682 | 0.007 |
  Cognitive functioning | 20.14(12.52,36.76) | 24.89(14.68,52.48) | −2.593 | 0.010 |
  Social functioning | 19.29(11.33,29.57) | 21.83(9.6,39.06) | −0.326 | 0.744 |
 Symptom scales |  |  |  |  |
  Fatigue | 15.77(7.98,26.38) | 21.65(7.69,40.11) | −2.141 | 0.032 |
  Nausea/vomiting | 17.48(10.32,29.60) | 25.49(12.58,40.11) | −2.445 | 0.015 |
  Pain | 18.53(11.07,29.90) | 24.31(8.51,47.80) | −1.202 | 0.229 |
  Dyspnea | 20.90(12.02,33.48) | 25.64(13.24,50.42) | −2.049 | 0.040 |
  Insomnia | 18.53(9.86,36.04) | 25.00(13.27,42.35) | −1.942 | 0.052 |
  Appetite loss | 17.18(10.09,29.77) | 24.44(13.04,46.36) | −2.378 | 0.017 |
  Constipation | 24.38(15.87,39.79) | 30.41(19.78,55.04) | −2.918 | 0.004 |
  Diarrhea | 20.16(11.43,31.92) | 24.90(14.00,43.17) | −2.059 | 0.040 |
QLQ-QES18 | ||||
 General symptom scales |  |  |  |  |
  Dysphagia | 14.65(6.47,22.77) | 14.92(7.03,23.52) | −0.551 | 0.582 |
  Eating problems | 15.77(8.48,24.97) | 22.01(9.40,42.92) | −2.761 | 0.006 |
  Reflux | 14.55(8.25,23.89) | 14.92(7.56,31.11) | −0.859 | 0.390 |
  Odynophagia | 20.11(11.96,29.77) | 26.97(15.01,51.77) | −3.214 | 0.001 |
 General symptom items |  |  |  |  |
  Trouble swallowing saliva | 21.88(12.68,35.52) | 31.47(18.96,53.78) | −3.668 | P < 0.001 |
  Choking when swallowing | 21.42(11.47,30.88) | 27.70(15.18,53.13) | −2.775 | 0.006 |
  Dry mouth | 22.37(13.47,37.59) | 32.43(17.03,59.21) | −3.069 | 0.002 |
  Trouble with taste | 24.97(16.56,40.11) | 33.13(20.61,60.47) | −3.182 | 0.001 |
  Coughing | 21.09(10.71,33.48) | 27.56(18.07,55.36) | −3.882 | P < 0.001 |
  Speech problems | 22.37(12.91,37.49) | 35.14(18.86,58.66) | −3.752 | P < 0.001 |