Table 3 Effect of HBV EHR alert on HBsAg test completion (cohorts 1 and 2).

From: Electronic health record alerts enhance mass screening for chronic hepatitis B

Cohort 1 (January 2016 to July 2019)

HBsAg alert status

Alert (N = 1542)

Control (N = 1568)

OR (95% CI)

p Value

HbsAg completed (%)

269 (17.4)

133 (8.5)

2.3 (1.83, 2.84)

 < 0.0001

HbsAg positive (%)

11 (4.1)

10 (7.5)

0.52 (0.22, 1.27)

0.16

Cohort 2 (January 2018 to July 2019)

HBsAg alert status

Alert (N = 2599)

Control (N = 2590)

OR (95% CI)

p Value

HBsAg completed (%)

120 (4.6)

44 (1.70)

2.80 (1.97, 3.98)

 < 0.0001

HBsAg positive (%)

4 (3.3)

3 (6.8)

0.47 (0.10, 2.20)

0.39