Table 3 Skin surface temperature of each knee joint measured at baseline and after AA on the right pinna

Left knee joint skin surface temperature (℃)

Right knee joint skin surface temperature (℃)

p-value1)

Baseline

32.68±1.45

33.20±1.06

0.501

After AA

33.17±1.39

33.62±1.33

0.109

p-value2)

0.010

0.017

1) Independent t-test for comparisons between the two knee joints. 2) Paired t-test for comparisons between baseline and after AA. AA, auricular acupressure.