Identifying Chinese Medicine Patterns of Tension-Type Headache and Understanding Its Subgroups

Table 21

Extraction of factors.

CMHQ part 1: pain description	CMHQ part 2: aggravating and relieving factors	CMHQ part 3: accompanying symptoms
FAC1.1F1CentralHead	FAC 2.1F1Mental	FAC 3.1F1Liver-Qi&Fire
FAC 1.1F2WholeHead	FAC 2.1F2Food	FAC 3.1F2Eye
FAC 1.1F3LateralHead	FAC 2.1F3WeatherChange	FAC 3.1F3BoneJointWind
FAC 1.3F1RhythmHeadache	FAC 2.1F4NoFood&Drink	FAC 3.1F4PoorDigestion
FAC 1.3F2ExplosiveNotDull	FAC 2.1F5MentalStrain	FAC 3.1F5LiverSpleenFire
FAC 1.3F3SharpHeadache	FAC 2.1F6MuscularStrain	FAC 3.1F6YinDeficiency
FAC 1.3F4TightHeadache	FAC 2.1F7Oil&Spicy	FAC 3.1F7LiverAttackStomach
FAC 1.3F7DistendingHeadache	FAC 2.1F8WindDamp	FAC 3.1F8ENT
FAC 1.3F8EmptyHeadache	FAC 2.1F9PhysicalStrain	FAC 3.1F9LightSound
FAC 1.5F1LateOfDay	FAC 2.1F10Alcohol-DragCigar	FAC 3.1F10TemperatureSensitivity
FAC 1.5F2BothEnd	FAC 2.2F1Rest	FAC 3.1F11Constipation
FAC 1.5F3AllDay	FAC 2.2F2PhysicalStimulation	FAC 3.1F12BloodDeficiency
	FAC 2.2F3EatingRelated	FAC 3.1F13YangDeficiency
		FAC 3.1F14SpleenDeficienyOfBowel
		FAC 3.1F16Tinnitus
		FAC 3.1F17Insomnia
Included: n = 12	Included: n = 13	Included: n = 16

: In this table, “FAC” is the abbreviation of “factor,” whereas the numbers 1.X after it indicate their section number. For instance, FAC1.6F1 denotes the extracted first factor of Table 11, which summarised items of forehead, back of the head, and top of the head.