. 2019 Feb 1;21(2):e12341. doi: 10.2196/12341

Table 2.

Pearson correlation coefficients between the Taiwan Center for Disease Control Regional influenza-like illness data and each surveillance variable from the electronic medical records of Taipei Medical University Health Care System (October 2014 to September 2017).

Time period	National ILI^a	TMUHcS^b-ILI	TMUHcS-RITP^c	TMUHcS-IMU^d
Regional ILI of the entire period (October 2014 to September 2017)	.99	.87	.86	.90
Regional ILI of period 1 (October 2014 to September 2015)	.99	.97	.88	.96
Regional ILI of period 2 (October 2015 to September 2016)	.99	.93	.92	.97
Regional ILI of period 3 (October 2016 to September 2017)	.99	.96	.82	.91

^aILI: influenza-like illness.

^bTMUHcS: Taipei Medical University Health Care System.

^cRITP: rapid influenza laboratory tests with positive results.

^dIMU: influenza medication use.