Table 3 Description of source population

Description of active patients

 Total number of active patients

33,297

Description of source population

2,674

8.0 %

Method of population identification

 Patients with Asian ethnicity

2,654

99.3 %

 Indigenous people

18

0.7 %

 People who inject drugs or with a history of injecting drugs

2

0.1 %

HBV infection and immunity status of source population

 Patients with unknown HBV status

2,274

85.1 %

 Patients with known HBV status

399

14.9 %

  Chronic HBV detected (% among patients with known HBV status, n = 399)

42

(10.5 %)

  Chronic HBV not detected (% among patients with known HBV status, n = 399)

357

(89.5 %)

   Susceptible to HBV (% among patients with no evidence of chronic HBV, n = 357)

78

(21.8 %)

   Immune to HBV (% among patients with no evidence of chronic HBV, n = 357)

222

(62.2 %)

   Unknown immunity status (% among patients with no evidence of chronic HBV, n = 357)

57

(16.0 %)

Eligible patients in source population (Patients with unknown HBV status and Patients with known HBV status that were susceptible to HBV or with unknown immunity status)

2,409

90.1 %