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. 2021 Sep 12;40:101126. doi: 10.1016/j.eclinm.2021.101126

Table 3.

Vaccine OR and RRR of laboratory confirmed-cases, hospitalisations and deaths per week and number of events for vaccinated (n= 40539) and unvaccinated (n= 39439) groups. Data are presented as n (%). Effectiveness is presented as %[CI95%]

Laboratory-confirmed cases
Hospitalisations
Deaths
Days after vaccination N° events vaccinated N° events unvaccinated OR* Effectiveness N° events vaccinated N° events unvaccinated OR Effectiveness N° events vaccinated N° events unvaccinated OR Effectiveness

(0-6)
55
(0·136%)
189
(0·479%)
0·28
[0·21-0·38]
71·7
[61·8-79·0]
4
(0·010%)
19
(0·048%)
0·21
[0·07-0·60]
79·5
[39·8-93·0]
2
(0·005%)
9
(0·023%)
0·22
[0·05-1]
87·3
[58·0-96·2]

(7-13)
56
(0·138%)
215
(0·545%)
0·25
[0·19-0·34]
74·7
[66·0-81·1]
8
(0·020%)
37
(0·094%)
0·21
[0·10-0·45]
79·0
[54·8-90·2]
3
(0·007%)
13
(0·033%)
0·23
[0·06-0·79]
85·1
[74·3-91·3]

(14-20)
32
(0·079%)
239
(0·606%)
0·13
[0·09-0·19]
87·0
[81·2-91·0]
4
(0·010%)
15
(0·038%)
0·26
[0·09-0·78]
74·1
[21·8-91·4]
4
(0·010%)
17
(0·043%)
0·23
[0·08-0·68]
89·4
[75·5-95·5]

(21-27)
58
(0·143%)
297
(0·753%)
0·19
[0·14-0·25]
81·0
[74·8-85·7]
2
(0·005%)
33
(0·084%)
0·06
[0·01-0·25]
94·1
[75·4-98·6]
3
(0·007%)
25
(0·063%)
0·12
[0·04-0·39]
81·9
[66·4-90·2]

(28-34)
77
(0·190%)
333
(0·844%)
0·23
[0·18-0·29]
77·5
[71·2-82·4]
6
(0·015%)
61
(0·155%)
0·10
[0·04-0·22]
90·4
[77·9-95·9]
4
(0·010%)
57
(0·145%)
0·07
[0·02-0·19]
87·5
[75·9-93·5]

35 - end)
113
(0·280%)
429
(1,088%)
0·26
[0·21-0·32]
74·4
[68·5-79·2]
16
(0·039%)
131
(0·332%)
0·12
[0·07-0·20]
88·1
[80·0-92·9]
24
(0·059%)
165
(0·418%)
0·14
[0·09-0·22]
81·3
[60·2-91·2]

This includes asymptomatic infections by SARS-CoV2 and symptomatic infections (COVID-19).

Odds Ratio