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Table 4 Adjusteda mean differencesb in SF-36 summary and subscale scores between two interviews among 299 participants

From: The roles of herbal remedies in survival and quality of life among long-term breast cancer survivors - results of a prospective study

  Overall herbal remedy use Echinacea use Herbal teas Ginko biloba use
  No. (n = 120) Yes (n = 179) P value No.
(n = 210)
Yes
(n = 89)
P value No
(n = 239)
Yes
(n = 60)
P value No
(n = 236)
Yes
(n = 63)
P value
Summary scale             
PCS (physical health) -3.2 -5.7 0.02 -4.6 -5.4 0.46 -4.6 -5.5 0.47 -5.0 -4.4 0.64
MCS (mental health) 3.2 1.5 0.16 1.9 2.7 0.54 2.4 1.4 0.49 1.8 2.9 0.45
Subscale             
Energy/fatigue -1.8 -7.3 0.02 -5.2 -5.6 0.87 -5.1 -5.8 0.82 -5.1 -5.9 0.79
Physical functioning -9.3 -11.8 0.21 -10.6 -11.4 0.71 -11.2 -9.9 0.62 -11.3 -9.7 0.50
Role limitations, physical -3.9 -13.7 0.02 -10.1 -9.8 0.96 -8.5 -14.1 0.30 -11.0 -7.3 0.47
Emotional well-being 0.5 -0.5 0.58 -0.5 1.0 0.45 0.2 -1.2 0.54 -0.7 1.5 0.32
Role limitations, emotional 4.7 -1.6 0.10 0.7 0.7 1.0 1.2 -0.6 0.70 -0.7 4.7 0.23
Social functioning 9.8 3.5 0.04 5.3 7.2 0.56 7.8 0.7 0.06 5.2 7.4 0.54
Bodily pain -3.4 -11.4 0.003 -7.5 -11.2 0.19 -7.3 -11.4 0.21 -9.0 -6.8 0.49
General health -2.1 -6.4 0.04 -4.5 -5.8 0.54 -3.6 -7.7 0.12 -5.4 -2.9 0.29
  1. aAdjusted for ethnicity, age at diagnosis, stage of cancer at diagnosis, type of non-surgical treatments, type of surgery, post-diagnosis cancer-related conditions, comorbidities, interval between diagnosis and first interview, yearly income at baseline interview, and the corresponding QOL measures at baseline interview. bDifference = QOL measure at follow-up - QOL measure at baseline interview.