Skip to main content

Table 1 Characteristics of patients with positive PCR test results referred to the LDCT Triage

From: Gam-COVID-Vac, EpiVacCorona, and CoviVac effectiveness against lung injury during Delta and Omicron variant surges in St. Petersburg, Russia: a test-negative case–control study

  

Overall

No lung injury

Any lung injury

Severe lung injury

  

23996

10624

13372

338

Age mean (SD)

 

51.62 (16.46)

47.01 (16.27)

55.28 (15.68)

61.70 (15.17)

Age

18–30

2572 (10.7)

1801 (17.0)

771 (5.8)

6 (1.8)

categories (%)

31-40

4490 (18.7)

2484 (23.4)

2006 (15.0)

26 (7.7)

 

41–50

4437 (18.5)

2075 (19.5)

2362 (17.7)

53 (15.7)

 

51–60

4664 (19.4)

1816 (17.1)

2848 (21.3)

67 (19.8)

 

60+

7833 (32.6)

2448 (23.0)

5385 (40.3)

186 (55.0)

Sex (%)

Female

15577 (64.9)

6974 (65.6)

8603 (64.3)

190 (56.2)

 

Male

8419 (35.1)

3650 (34.4)

4769 (35.7)

148 (43.8)

Vaccination

Non-vaccinated

12708 (53.0)

4454 (41.9)

8254 (61.7)

257 (76.0)

status

One-dose Gam-COVID-Vac

437 (1.8)

293 (2.8)

144 (1.1)

1 (0.3)

 

Two-dose Gam-COVID-Vac

6766 (28.2)

3631 (34.2)

3135 (23.4)

52 (15.4)

 

Three-dose Gam-COVID-Vac

1947 (8.1)

1198 (11.3)

749 (5.6)

11 (3.3)

 

EpiVacCorona

314 (1.3)

104 (1.0)

210 (1.6)

5 (1.5)

 

CoviVac

821 (3.4)

421 (4.0)

400 (3.0)

4 (1.2)

 

No vaccination date

357 (1.5)

223 (2.1)

134 (1.0)

2 (0.6)

 

Vaccine name is not reported

425 (1.8)

205 (1.9)

220 (1.6)

2 (0.6)

 

Partially vaccinated

171 (0.7)

66 (0.6)

105 (0.8)

4 (1.2)

 

Other vaccines

50 (0.2)

29 (0.3)

21 (0.2)

0 (0.0)

Period (%)

Delta surge

    
 

(Oct 1, 2021–Jan 9, 2022)

13394 (55.8)

4141 (39.0)

9253 (69.2)

244 (72.2)

 

Omicron surge

    
 

(Jan 10, 2022–Apr 28, 2022)

10602 (44.2)

6483 (61.0)

4119 (30.8)

94 (27.8)

Triage

1

15689 (65.4)

7266 (68.4)

8423 (63.0)

210 (62.1)

Centre (%)

2

8307 (34.6)

3358 (31.6)

4949 (37.0)

128 (37.9)