Case series in Indonesia: B.1.617.2 (delta) variant of SARS-CoV-2 infection after a second dose of vaccine

Table 5 Research gap analysis

Ref.	Reasons(s) for gap	Population	Results	Free text of gap
Park et al[22]	D	Delta variant	A total of 141 patients [Delta group, n = 108 (77%); non-Delta group, n = 33 (23%)]; Delta group: Median age 34.5 (26.5-46.0); Hypertension 12 (11.1); Hyperlidemia 2 (6.1); Diabetes 5 (15.2); Psychiatric Illness 1(3.0); Asthma/Rhinitis 1 (3.0); Cancer 1 (3.0); Obesity BMI > 30.4 (12.1)	Results may not be applicable for reference as full vaccinated criteria not included and our subject only had chronic respiratory disease 1 (6.67) and obesity 1 (6.67)
Hu et al[23]	D	Delta variant fully vaccinated	A total of 677 patients (Wild type = 341; Delta unvaccinated = 120; Delta Partially vaccinated = 60; Delta fully vaccinated = 156); Delta fully vaccinated: Median age 43.0 (33.0-56.8); Hypertension 31 (19.9); Diabetes 9 (5.8); Cardiovascular disease 5 (3.2)	Results may not be applicable for reference as median age in our subject 29.87 ± 5.097 with comorbidity chronic respiratory disease 1 (6.67) and obesity 1 (6.67)

D: Not the right information (results not applicable/optimal outcomes not assessed/studies too short). BMI: Body mass index.