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Table 4 Medical consultation 40 to 56 days after boost COVID-19 vaccination separated by age group

From: Reactogenicity after heterologous and homologous COVID-19 prime-boost vaccination regimens: descriptive interim results of a comparative observational cohort study

 

Age < 55 years

Age ≥ 55 years

 

ChAdOx1/ ChAdOx1

ChAdOx1/ mRNA

mRNA/ mRNA

ChAdOx1/ ChAdOx1

ChAdOx1/ mRNA

mRNA/ mRNA

 

(n = 167)

(n = 1199)

(n = 3204)

(n = 295)

(n = 439)

(n = 1800)

Medical consultation, thereof...

21 (12.6%)

198 (16.5%)

507 (15.8%)

48 (16.3%)

89 (20.3%)

289 (16.1%)

Outpatient

      

Yes

19 (90.5%)

174 (87.9%)

425 (83.8%)

42 (87.5%)

74 (83.1%)

242 (83.7%)

Planned

2 (9.5%)

24 (12.1%)

76 (15.0%)

4 (8.3%)

12 (13.5%)

41 (14.2%)

No

0 (0%)

0 (0%)

6 (1.2%)

2 (4.2%)

3 (3.4%)

6 (2.1%)

Inpatient/Clinic

      

Yes

3 (14.3%)

13 (6.6%)

49 (9.7%)

10 (20.8%)

8 (9.0%)

36 (12.5%)

Planned

0 (0%)

1 (0.5%)

3 (0.6%)

1 (2.1%)

1 (1.1%)

6 (2.1%)

No

18 (85.7%)

184 (92.9%)

455 (89.7%)

37 (77.1%)

80 (89.9%)

247 (85.5%)

Pre-existing conditions

   

Yes

2 (9.5%)

30 (15.2%)

61 (12%)

9 (18.8%)

10 (11.2%)

42 (14.5%)

Partially

6 (28.6%)

67 (33.8%)

171 (33.7%)

16 (33.3%)

28 (31.5%)

120 (41.5%)

No

13 (61.9%)

101 (51.0%)

275 (54.2%)

23 (47.9%)

51 (57.3%)

127 (43.9%)

Suspected association to vaccination

   

Yes

1 (4.8%)

13 (6.6%)

27 (5.3%)

2 (4.2%)

3 (3.4%)

9 (3.1%)

Partially

5 (23.8%)

43 (21.7%)

116 (22.9%)

5 (10.4%)

17 (19.1%)

55 (19%)

No

15 (71.4%)

142 (71.7%)

364 (71.8%)

41 (85.4%)

69 (77.5%)

225 (77.9%)

  1. Health problems reported in the long-term survey 40–56 days after boost COVID-19 vaccination with ChAdOx1 or mRNA vaccine (BNT162b2 or mRNA-1273) in cohorts of participants with homologous (mRNA/mRNA or ChAdOx1/ChAdOx1) or heterologous (ChAdOx1/mRNA) prime-boost COVID-19 vaccination regimen who completed the long-term survey