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Table 3 Changes in the LF%, LF/HF, and HF over time in the three groups

From: Comparison of the efficacy of aroma-acupressure and aromatherapy for the treatment of dementia-associated agitation

  LF% LF/HF HF
  β (95%CI) p β (95%CI) p β (95%CI) p
Group       
A-a group (n = 50) 7.86 (−0.23-15.95) 0.06 0.79 (0.04-1.54) 0.04* −0.22 (−1.31-0.87) 0.69
A group (n = 61) 0.25 (−7.00-7.49) 0.95 0.43 (−0.25-1.11) 0.22 0.35 (−0.68-1.37) 0.51
Control group (Reference, n = 49)       
Time       
1 st week −3.29 (−6.69-3.12) 0.32 −0.01 (−0.69-0.66) 0.98 −0.20 (−1.12-0.73) 0.68
2 nd week 1.94 (−4.51-8.39) 0.56 0.21 (−0.47-0.89) 0.55 −0.16 (−1.10-0.78) 0.74
3 rd week −5.68 (−12.63-1.27) 0.11 −0.06 (−0.79-0.68) 0.87 0.06 (−0.95-1.06) 0.91
4 th week −1.06 (−7.70-5.58) 0.75 0.06 (−0.64-0.76) 0.87 −0.36 (−1.31-0.60) 0.47
Post-test −1.73 (−8.86-5.39) 0.63 0.05 (−0.70-0.80) 0.90 −0.07 (−1.09-0.96) 0.90
Post-3 wks −0.77 (−7.50-5.96) 0.82 0.11 (−0.60-0.82) 0.76 −0.20 (−1.17-0.77) 0.69
Group x Time       
A-a group x 1 st week −1.51 (−11.05-8.20) 0.76 −0.45 (−1.44-0.54) 0.37 1.00 (−0.33-2.34) 0.14
A-a group x 2 nd week −8.93 (−18.37-0.51) 0.06 −0.82 (−1.80-0.16) 0.10 2.91 (1.60-4.23) <0.01*
A-a group x 3 rd week −9.38 (−19.35-0.60) 0.07 −0.91 (−1.94-0.12) 0.08 8.54 (7.17-9.92) <0.01*
A-a group x 4 th week −12.34 (−22.16 to −2.5) 0.01* −1.09 (−2.11 to −0.07) 0.04* 5.45 (4.08-6.82) <0.01*
A-a group x post-test −9.90 (−20.15-0.34) 0.06 −0.83 (−1.89-0.23) 0.13 0.68 (−0.76-2.11) 0.36
A-a group x post-3 wks −7.16 (−17.27-2.96) 0.17 −0.50 (−1.55-0.55) 0.35 0.54 (−0.87-1.96) 0.45
A group x 1 st week −5.39 (−13.87-3.91) 0.21 −0.50 (−1.39-0.40) 0.28 −0.43 (−1.65-0.80) 0.49
A group x 2 nd week −12.09 (−20.6 to −3.59) 0.01* −0.15 (−1.05-0.75) 0.75 0.27 (−0.96-1.50) 0.67
A group x 3 rd week 0.39 (−8.57-9.35) 0.93 −0.47 (−1.41-0.48) 0.33 −0.42 (−1.65-0.80) 0.52
A group x 4 th week −5.74 (−14.43-2.95) 0.20 −0.71 (−1.63-0.20) 0.13 1.58 (0.32-2.83) 0.01*
A group x post-test −8.98 (−18.33-0.36) 0.06 −0.69 (−1.67-0.29) 0.17 0.88 (−0.47-2.22) 0.20
A group x post-3 wks −2.09 (−11.32-7.14) 0.57 −0.48 (−1.46-0.49) 0.33 0.45 (−0.89-1.78) 0.51
  1. Note. Aroma-acupressure group: A-a group; Aroma group: A group; CI: confidence interval; *p < 0.05.