Evidence-Based Complementary and Alternative Medicine

Research Article

Exploratory Factor Analysis for Validating Traditional Chinese Syndrome Patterns of Chronic Atrophic Gastritis

Table 4

Factor load matrix after rotation transformation.
Four diagnostic variablesComponent
123456789101112131415
Distention and fullness of the stomach−.028.005.015.056.332−.026.121.024.160.694.093−.202.008−.053−.009
Palpitations.544.021.195.136.051.242.167−.057.046.026.029−.130−.321.359−.109
Stifling sensation in the chest.140.020.136.017.139.010.096−.019−.091.034.041−.021.056.833.072
Loose stool−.073.128−.047.416.113−.086.209−.075.449−.049.180.068.027.034.192
Stomach tingling Sharp pain in stomach−.095−.170.356.048−.014.201.478.214.041.185−.060.101−.341−.076.213
Frequent sighing.629−.281.050−.060−.121−.100.058.046.016.035.074.251.080.119.215
Constipation−.205−.081.089.502.145.026−.038−.195.133.324.142.141.363−.105.142
Irritability.017−.024.248.013−.118.590.164.079−.132−.327.136−.095.161−.141.101
Bitter taste in the mouth.047−.010.049.133.282.622−.074−.156−.056.094−.200.024.036−.061.195
Poor appetite−.050.013−.037.087−.253.095−.097−.065−.158.720−.014.008.024.064.035
Abdominal distention.060−.009−.027.142.101.235.195−.051.187.187.114.200.295.124.414
Fetid mouth odor.078.041−.075−.034.165.044.078.064−.007−.020−.054−.033−.054.039.814
Belching.142.009−.192.074.425−.027.065.016.018.172.131.458−.180.051.017
Sallow complexion.029.041.029.005−.057.005.116−.039.775−.024.007.010.032−.092−.046
Acid regurgitation.012−.098−.097.149.794.075.006.010.006−.112.027.041.050.131.143
Stomach aversion to cold.670.150−.146.000.208.074−.074.011.068−.139−.093.216−.064.008.056
Heartburn.065−.203.152−.143.702.183.126−.158−.052.106−.059−.004.090.013.070
Listlessness.388−.002−.032.730.024−.021.066.159.093−.035−.059.126−.175.040−.092
Sensation of coldness of the body and limbs.795.169−.088.125.068−.043.052.058−.047.022−.012−.096.191−.017−.055
Nausea.174.056.028.325.064−.181.050.213−.004−.061−.270.462.363.395.021
Lack of strength−.011.010.038.738−.005.190−.033.098−.047.166.014−.318−.044.037−.024
Insomnia−.163−.054−.079−.081.161.561−.129.088.426.035.353−.082.168.130−.072
Profuse dreaming at night.110−.112.020−.112.062.349−.112.004.068.040.027−.071.786.051−.031
Dry mouth.066.063.204.070.102.569.081−.068−.014.341−.129.173.161.175−.086
Tinnitus.395.082−.018.316−.135.032.345−.127−.315−.035.180.100.131.163.127
Pale red tongue.042−.122−.040.105−.117.045−.073.860.023.038.035.061.051−.081.011
Red tongue.015−.006.386−.015−.031.182−.034−.724.017.175−.131−.012.111−.133−.068
Dark tongue.099.170−.160−.082.088−.097.768−.033−.046−.190.045−.019.046.044.237
Enlarged tongue.100.160−.122.312−.126−.018−.083.251.479.014−.226−.138.016.000.293
Tongue with petechiae−.013−.069−.057.079.056.083.669−.058.266.180−.110.061−.180.153−.117
Teeth-marked tongue.258.296.080−.181.182−.279−.056.254.357.217−.072−.108.110−.187.112
White tongue coating.092−.035−.893−.074.052−.133.056.145.044.013−.039.047.089−.067.079
Yellow tongue coating−.037.100.895−.066.035.039−.094−.108.025−.024.036−.076.088.108−.033
Thick tongue coating.080.889−.043.044−.112−.016.002−.040−.053−.021−.005.001−.028.089.051
Thin tongue coating.014−.849−.095−.041.208−.083.006.074−.093−.015.000−.078.105−.096−.083
Greasy tongue coating.080.685.135−.076.083−.127.160−.014.178.035.132−.094.074−.333−.134
Wiry pulse−.463.059.156−.007.168−.036.177.096−.077.073−.532−.051.046−.100−.193
Fine pulse.085−.003−.055−.121−.010.063.001.034−.039−.127.139.794−.008−.047−.009
Choppy pulse.021.140−.117.196.166.020.450−.101.106−.129−.500−.162.113−.323−.085
Slippery pulse−.039.128.090.090.094−.055.051.121−.007.036.783.110.070−.068−.113
Note. Extraction method: principal component analysis. Rotation method: Kaiser standardized orthogonal. Rotation was converged after 20 iterations. Factor load values that were positive and larger or equal to 0.25 are depicted in bold.