Learning from Large-Scale Wearable Device Data for Predicting the Epidemic Trend of COVID-19

Table 2

Correlation coefficient between the physiological anomaly rate and the officially reported number of newly confirmed COVID-19 cases.

City
Beijing	0.31
Shijiazhuang	0.58
Tianjin	0.53
Jinan	0.68
Taiyuan	0.55
Shanghai	0.51
Hangzhou	0.74
Wuhan	0.58
Nanning	0.52
Xiaogan	0.70
Nanjing	0.83
Chengdu	0.75
Hefei	0.84
Huanggang	0.87
Guangzhou	0.80
Foshan	0.81
Fuzhou	0.73
Shenzhen	0.82
Dongguan	0.75
Average	0.68