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Table 4 Comparison of SARS-CoV-2 IgG results with reported cases by the Lebanese Ministry of Public Health

From: SARS-CoV-2 antibody seroprevalence in Lebanon: findings from the first nationwide serosurvey

Governorates

Total

Population

Weight-adjusted Seroprevalence

%

Cumulative number of COVID-19*

Estimated number of subjects with previous COVID-19**

n

Ratio of estimated number to Cumulative number of COVID-19

Percentage of underestimated cases***

% (95%CI)

Beirut

342,000

11.4

23,749

38,988

1.6

4.5(1.3;7.7)

Mount Lebanon

2,032,000

20.9

105,716

424,688

4.0

15.7(13.4;18.0)

Baalbek El-Hermel

245,000

34.1

14,417

83,545

5.8

28.2(19.9;36.5)

Bekaa

298,000

21.0

15,602

62,580

4.0

15.8(9.8;21.8)

North Lebanon

638,000

21.3

30,805

135,894

4.4

16.5(10.8;22.2)

Akkar

324,000

12.6

2,930

40,824

13.9

11.7(5.9;17.5)

South Lebanon

584,000

14.6

18,242

85,264

4.7

11.5(7.7;15.3)

Nabatieh

379,000

7.0

8910

26,530

3.0

4.6(1.4;7.8)

Lebanon

4,842,000

18.5

249,158

895,770

3.6

13.4 (11.9;14.9)

  1. MOPH Lebanese Ministry of Public Health; IC confidence interval
  2. *Cumulative number reported by MOPH until January 15, 2021
  3. **Estimated number of subjects with previous COVID-19 calculated by multiplying the seropositivity rates for each governorate by the estimated population size
  4. ***Percentage of underestimated cases = (Estimated total number of seropositive − registered cases up to 15/1/2021)*100/total population