Short-Term Effect of Laser Acupuncture on Lower Back Pain: A Randomized, Placebo-Controlled, Double-Blind Trial
Table 1
Baseline characteristics.
Characteristics
Group
value
The laser acupuncture group
The sham laser acupuncture group
( = 28)
( = 27)
Age
46.32 (10.2) 21, 47.5, 65
46.48 (11.68) 23, 47, 68
0.957
Sex
Female
24 〈85.7〉
22 〈81.5〉
0.7287
Male
4 〈14.3〉
5 〈18.5〉
Duration of back pain (month)
13.78 (19.58) 0.2, 4.2, 75.19
16.33 (28.13) 0.2, 6.18, 130.98
0.8531
Compliance rate (%)
100 (0) 100, 100, 100
97.53 (12.83) 33.3, 100, 100
0.3261
Kinesitherapy
2.75 (0.44) 2, 3, 3
2.56 (0.75) 0, 3, 3
0.4192
BMI (kg/m2)
26.05 (7.26) 16.4, 25.2, 59.19
23.39 (3.05) 17.9, 23.26, 33.69
0.0844
Systolic blood pressure (mmHg)
122.96 (10.71) 97, 124.5, 143
115.15 (11.48) 98, 114, 142
0.0117
Diastolic blood pressure (mmHg)
74.75 (10.55) 55, 76, 102
70.3 (7.25) 59, 71, 89
0.0748
Pulse (bpm)
73.71 (10.3) 56, 71.5, 95
74.96 (8.46) 61, 74, 90
0.6259
Body temperature (°C)
36.57 (0.36) 35.8, 36.5, 37.3
36.47 (0.44) 35.4, 36.5, 37.4
0.3398
Baseline value
VAS
44.64 (11.86) 30, 40, 75
47.78 (10.95) 30, 40, 80
0.3135
PGIC
4 (0) 4, 4, 4
4 (0) 4, 4, 4
PPT
7.12 (2.27) 3.1, 7.2, 11.92
6.56 (1.86) 3.7, 6.23, 12.15
0.3231
EQ-5D
0.79 (0.08) 0.6, 0.8, 0.9
0.75 (0.1) 0.5, 0.77, 0.86
0.1056
Values represent mean (SD) min, median, max for continuous variables and (%) for categorical variables. Independent two-sample -test, Wilcoxon’s rank sum test, and Chi-squared test. BMI: body mass index; VAS: visual analogue scale; PGIC: patient global impression of change; PPT: pressure pain threshold; EQ-5D: Euro-Quality-of-Life Five Dimensions.
