Validity of the “Streitberger” Needle in a Chinese Population with Acupuncture: A Randomized, Single-Blinded, and Crossover Pilot Study

Table 4

Tests of between-subjects effects (VAS ratings).

Source	Type III sum of squares	df	Mean square	𝐹 value	Significance
Intercept
Hypothesis	449.694	1	449.694	176.303	0.000
Error	150.491	59	2.551^a
Stage
Hypothesis	7.288	1	7.288	2.524	0.118
Error	167.503	58	2.888^b
Needle
Hypothesis	0.628	1	0.628	0.217	0.643
Error	167.503	58	2.888^b
Volunteers
Hypothesis	150.491	59	2.551	0.883	0.682
Error	167.503	58	2.888^b

^aReceiving placebo needle.
^bReceiving real needle.