Table 1 Baseline characteristics of participants with hybrid SARS-CoV-2 and vaccine induced immunity

From: SARS-CoV-2-specific immune responses converge in kidney disease patients and controls with hybrid immunity

Study group

Hybrid immune (n = 24)

Vaccine immune (n = 24)

Control

CKD

Dialysis

KTR

Control

CKD

Dialysis

KTR

Number of participants, n (M:F)

6 (4:2)

6 (5:1)

9 (5:4)

3 (2:1)

6 (3:3)

6 (5:1)

9 (7:2)

3 (1:2)

Age, yr (range)

58 (22–76)

70 (62–77)

63 (39–68)

61 (24–78)

57 (39–66)

64 (21–82)

69 (48–78)

47 (37–61)

BMI, kg/m2 (range)a

30 (25–33)

30 (25–33)

27 (22–38)

25 (21–28)

29 (25–37)

27 (23–32)

24 (20–33)

34 (31–35)

Lymphocytes,109cell/L (range)

2.1 (1.2–2.3)

1.5 (0.8–2.4)

1.2 (0.7–1.9)

2.4 (1.0–2.4)

2.6 (1.5–3.7)

1.6 (1.0–2.1)

1.4 (0.9–2.4)

3.7 (2.5–4.9)

eGFR, mL/min/1.73m2 (range)

73 (56–125)

9 (8–21)

58 (31–62)

81 (61–111)

15 (11–21)

49 (33–64)

Dialysis characteristics

Hemodialysis, n (%)

7 (78%)

7 (78)

Peritoneal dialysis, n (%)

2 (22%)

2 (22)

Months on dialysis, n (range)

27 (10–481)

39 (1–379)

Transplant characteristics

Yr post-transplantation (range)

9 (4–19)

6 (2–7)

Living donor, n (%)

2 (67%)

3 (100%)

Immune treatment, n (%)

Azathioprine

1 (33%)

0

Mycophenolate mofetil

1 (33%)

2 (66%)

Calcineurin inhibitors

3 (100%)

3 (100%)

Serology pre-vaccination

S1 IgG, BAU/mL (range)

68 (14–743)

37 (12–313)

187 (14–768)

15 (13–80)

0.2 (0.1–1.2)

0.4 (0.1–1.2)

0.9 (0.1–2.7)

0.6 (0.1–1.7)

N IgG, AU/mL (range)

50 (3–242)

30 (12–108)

206 (0–875)

3 (1.0–22)

2.0 (0.1–2.7)

2.8 (1.6–22)

2.9 (1.1–5.4)

1.8 (0–3.3)

  1. aThe body-mass index (BMI) is the weight in kilograms divided by the square of height in meters. CKD chronic kidney disease, KTR kidney transplant recipient, eGFR estimated glomerular filtration rate, S1 SARS-CoV-2 spike head domain, N nucleocapsid, BAU Binding Antibody Units.