Journal of Korean Foot and Ankle Society

Table. 1. Table 1

Seasonal Variation in the Number of Plantar Fasciitis Cases and in the Search Volume Data by Naver from 2016 to 2019 Using the Cosinor Analysis

Variable	Amplitude	Phase month	Low point month	p-value
No. of plantar fasciitis cases	8,523.97	7.9	1.9	<0.001
RSV of “Plantar fasciitis”	14.15	6.9	0.6	<0.001
RSV of “Heel pain”	9.69	7.1	1.1	<0.001

RSV: relative search volume.