A Double-Blind Study on Acupuncture Sensations with Japanese Style of Acupuncture: Comparison between Penetrating and Placebo Needles

Table 3

Factor loadings on the Japanese MASS for penetrating needles ( = 100).

Variables	Factor
	1	2	3
Heaviness	0.821
Deep pressure	0.752
Aching	0.732		0.522
Soreness	0.711
Dull pain	0.702
Sharp pain	0.592		0.513
Throbbing	0.542		0.489
Warmth		0.786
Fullness/distension		0.722
Numbness		0.653	0.512
Tingling			0.791
Cold		0.510	0.676

Note. Factor loadings over 0.45 are exclusively represented. Cumulative contribution = 0.707. = 100 indicates 50 of each of 5 mm and 10 mm penetrating needles.