Skip to main content
. 2022 Sep 9;41(12):3897–3913. doi: 10.1007/s10067-022-06365-y

Table 1.

Characteristics of studies with mixed cohorts of RDs and COVID-19

Study Type N (%)* N (%), COVID-19 (confirmed and probable) N (%), DM Moderate to severe COVID-19 N (%) and its associations Hospitalizations N (%) and its associations Mortality N (%) and its associations Other salient features
Santos et al., 2020, Spain [43]

Observational, prospective

(cross-sectional)

38

RA 11 (39)

38 15 (32) - 38

10 of 38 (26)

UV:

- Older age

- DM (OR 33, 95% CI 3.4–314)

- HTN

- Dyslipidemia -ILD

- CVD

- High disease activity

MV:

- High disease activity

- Dyslipidemia -CVD

- ILD

Pablos et al., 2020, Spain [68]

Observational, prospective

(cohort)

228

RA 65 (29), SpA 71 (30). CTDs 92 (40)

228 39 (17)

72 of 228 (31.6)

UV:

- Older age

- M

- Obesity

DM (OR 1.9, 95% CI 1.34–2.79)

- HTN

- Lung disease

-CVD

162 of 228 (71)

ICU 15 of 228 (7)

41 of 228 (18)
Shobha et al., 2020, India [30]

Observational, prospective

(cohort)

3807

RA 1964 (52.2), SLE 561 (14.8), SpA 313 (8.2), SSc 134 (3), vasculitis 107 (2.8), SS 69 (1.8), IIM 81 (2.1)

23 (0.6)

UV:

- DM (3.67, 95% CI 1.5–8.98)

- HTN

- Lung disease

- GC (OR 3, 95% CI 1.237.34)

- ARB

- Flu vaccine

- MMF

- CYC

- Biologics

MV:

- Lung disease

420 (11)

15 of 23 (65.2)

ICU 3 of 23 (13)

-
Habermann et al., 2020, USA [69] Observational, prospective (case series)

86

RA 20 (23), SpA 30 (35), IBD 37 (43), psoriasis 14 (16)

86 -

14 (16)

- Older age

- RA

- HT

- DM

- Lung disease

- GC

- HCQ

- MTX

- - -
Nunez et al., 2020, Spain [41]

Observational, prospective

(cross-sectional)

123

RA 50 (40.65), SpA 24 (21)

123 17 (13.8) -

54 of 123 (51)

ICU 2 of 123 (1.6)

UV:

- Older age

- CTDs

- HTN

- DM (OR 5.15, 95% CI 1.5–16.8)

- Lung disease

- Heart disease

Protective:

- TNFi

- F

- NSAIDs

12 of 123 (10)
Montero et al., 2020, Spain [70]

Observational, retrospective

(cross-sectional)

62

RA 20 (32), SpA 16 (26)

62 12 (20) -

42 of 62 (68)

UV:

- Age > 70

- M

- Lung disease

- CVD

- HTN

- DM

- GC

MV:

- M

- Lung disease

- GC

10 of 62 (6)

- Older age

- M

DM

- HTN

Gianfrancesco et al., 2020, Global [28]

Prospective, observational

(Global Rheumatology alliance-2019 registry)

600

RA 230 (38), SLE 85 (14), SpA 122, vasculitis 44 (7), SS 28 (5), IIM (3), gout 19 (3), SSc 16 (3), PMR 12 (2), sarcoidosis 10 (2)

600 69 (12) -

277 of 600 (46)

UV:

- Older age

- HTN

- Lung disease

DM

- CVD

- CKD

- Smoking

- SLE

- Vasculitis

- GC > 10 mg

MV:

- Age > 65

- HT/CVD

DM (OR 2.61, 95% CI 1.39–4.88)

- CKD

- GC > 10 (OR 2.1, 95% CI 1.1–3.9)

(Protective)

- b/tsDMARD

55(9)
Marques et al., 2021, Brazil *[39]

Observational, prospective

(ReumaCoV Registry Brasil)

334

SLE 110 (32.9), RA 95 (28.4), SpA 68 (20), Ssc 23 (6.9), vasculitis 10 (3.3)

334 39 (11.5) -

110 of 334 (33)

ICU 50 of 334 (15)

MV:

- Age > 50

- No TNFi

- GC (PR 1.82, 95% CI 1.2–2.7)

- Pulse MPS (PR 2.9, 95% CI 1.7–4.9)

28 of 334 (8.4)

MV:

- Age > 50

- No TNFi

- Pulse MPS (PR 2.86, 95% CI 1.6–5.1)

Presence of DM was a significant factor (PR 1.4, 95% CI 1.2–1.8) for the need for emergence care
Monroy et al., 2021, Spain [31]

Observational, retrospective

(cross-sectional)

1090

RA 334 (31), vasculits 38 (3.5), SSc 43 (4), SLE 80 (7), IIM 17 (49)

85 of 1090 (7.7)

- Older age

- HTN

- Dyslipidemia

-

12 of 1090 (1.1)

- GC

- TCZ use

58 of 1090 (5.3)

Protective

- F

- TNFi

- IBD

4 of 1090 (0.3)
2021, France* [33]

Observational, retrospective

(French RMD cohort)

694

RA 213 (30), SpA 235 (34), vasculitis 65(), SLE 46 (6), SS 17 (2.5), SSc 25 (3), IIM 12 (2)

694 -

256 of 694 (37)

UV:

- Older age

- Obesity

- DM (aOR 2.14, 95% CI 1.12–4)

- HTN

- ILD

- CKD

- GC (aOR 2.3, 95% CI 1.3–3.8)

- MMF

- RTX

MV:

- Older age

- BMI

- HTN

- GC (OR 1.9, 95% CI 1.1–3.5)

- MMF

- RTX

256 of 694 (37)

ICU 87 (12.5)

UV:

- Older age

- CVD

DM (aOR 5.3 95% CI 2.6–10.85)

- HTN

- CKD

- GC (aOR 2.8, 95% CI 1.2–6)

Protective

- TNFi

MV:

- Older age

- DM (OR 4.3, 95% CI 2.1–9.1)

- BMI

- GC (OR 1.9, 95% CI 1.2–3)

- Colchicine (MV)

58 of 694 (8)

UV:

- Older age

- CVD

- ILD

- DM (aOR 2.89, 95% CI 1.3–6)

- HTN

- CKD

- CTD

- GC (aOR 2.6, 95% CI 1.3–5)

- MMF

- RTX

Gracia et al., 2021, Spain [38]

Observational, prospective

(COVIDSER cohort)

7782

462 (5.5)

RA 154 (33)

SpA 165 (36), SLE 61 (17)

- -

106 of 462 (23)

ICU 21 (4.5)

UV:

- Older age

- BMI

- GC

- b use

- Lung disease

DM

- HTN

Protective

- TNFi

MV:

- Older age

- Obesity

- Liver disease

Protective

- TNFi

19 of 462 (4.1) -
Faye et al., USA, 2021 [42]

Observational, retrospective

(cross-sectional)

62

RA 16, sarcoidosis 8

62

124 controls

14 (22) -

Compared to controls

- Race

- Comorbidities

- IS

- GC

Composite ICU, intubation, death, compared to controls

UV:

- Older age

- Comorbidities

- HTN

- CVD

Composite of ICU admission, intubation, and death compared to controls:

- Older age

- Comorbidities-HTN -CVD

Esatoglu et al., 2021, Turkey [71]

Observational, prospective

(cohort)

165

RA 60 (36), SpA 42 (25), CTDs 29 (18), FMF 14, BD 15 (9)

165 17 (10) 165

141 of 165 (85)

ICU 22 of 165 (13)

16 of 165 (10) -
Arleo et al., 2021, USA [72]

Observational, retrospective

(cross-sectional)

70

RA 26 (37), SLE 8 (11)

70 - -

34 of 70 (50)

ICU 17 of 70 (25)

UV:

- Older age

- CKD

- CHF

- GC

- GCA/PMR

Protective

- TNFi

6 of 70 (18)
Alzahrani et al., Saudi Arabia, 2021 [34]

Observational, prospective

(cross-sectional)

47

RA 25 (53.2), SLE 10 (21)

47 7 (15)

9 of 47 (19)

Older age

24 of 47 (50)

ICU 5 of 47 (10)

- -
Boekel et al., 2022, Netherlands [52]

Observational, prospective

(Web-based survey)

3673

RA 1714 (56), SpA 1040 (28.3), SLE 175 (6), JIA 51 (2), vasculitis 81 (3), SS 190 (6), SSc 61 (2), MCTD 27 (0.9), PMR 125 (4); 1243 HCs

347 of 3673 (9) 183 (6) -

23 of 347 (7)

ICU 3 of 347 (1)

- Older age

- DM

- Lung disease

- B-cell depleting therapy

Protective

- TNFi

-HCQ

1 of 347 (0.2)
Esalatmanesh et al., 2022, Iran [40]

Observational, prospective

(cross-sectional)

196

RA 113 (57.7), SpA 22 (11.2), SLE 30 (15.3), vasculitis 22 (11.2)

196 28 (14.3)

98 of 196 (50)

UV:

- Age > 65

DM [6.3 (2.9–13.7)]

- Obesity

- CKD

- NSAIDs

MV:

- NSAIDs

- GC (OR 4.8, 95% CI 1.1–20)

- DM (OR 5.4, 95% CI 2.1–13.5)

- Lung disease

73 of 196 (37.2)

ICU 21 of 196 (10.7)

UV:

- Age > 65

- DM (OR 6.2, 95% CI 2.3–16.3)

- Lung disease

- CKD

- GC (OR 6.6, 95% CI 2.5–17.5)

- Azathioprine

- Disease activity

MV:

- NSAIDs

- GC (OR 5.3 (1.9–14.8))

DM (OR 4.6, 95% CI 1.7–12.9)

15 of 196 (7.6)

Flare: 32 (16.3)

- Active disease

- CTDs

- Hospitalization

Strangfeld et al., 2021, [36]

Observational, prospective

(Global Rheumatology alliance-2019 registry)

3729

RA 1224 (36), SpA 836 (22), SLE 355 (10), vasculitis (258), other cTDs 473 (14), JIA 21 (0.6),

3729 410 (12.4) 1368 of 3729 (43)

390 of 3729 (10)

MV:

- Age > 65

- M

- Lung disease

- CVD + HT

- High disease activity

- RTX

- GC > 10 mg/D (OR 1.7, 95% 1.2–2.4)

Izadi et al., 2021 [37]

Observational, prospective

(Global Rheumatology alliance-2019 registry)

3441 inflammatory arthritis 3441 401 (12) -

939 of 3441 (27)

- JAKi

166 of 3441 (5)

- RTX

- JAKi

Increased risk for hospitalization and death:

MV:

- Older age

- Obesity

- Lung disease-CVD, -DM (OR 1.54, 95% CI 1.1–2.21)

- CKD -SSZ

- Lef,

- GC

•Disease with numbers < 10 not mentioned

•COVID-19 Corona VIrus Disease-19, DM diabetes mellitus, RA rheumatoid arthritis, HTN hypertension, ILD interstitial lung disease, CVD cardiovascular disease, SpA spondyloarthritis, CTDs connective tissue diseases, M male sex, ICU intensive care unit, UV univariate, MV multivariate, GC glucocorticoids, SLE systemic lupus erythematosus, SSc systemic sclerosis, IIM idiopathic inflammatory myopathy, MMF mycophenolate mofetil, CYC cyclophosphamide, ARB angiotensin receptor blockers, HCQ hydroxychloroquine, MTX methotrexate, TNF tumor necrosis factor, NSAIDs non-steroidal anti-inflammatory drugs, PMR polymyalgia rheumatica, CKD0 Chronic Kidney Disease, b biologic, c conventional, ts targeted synthetic, DMARD disease-modifying anti-rheumatoid drug, MPS methyl prednisolone, IBD inflammatory bowel disease, SS Sjogren syndrome, RTX rituximab, BMI body mass index, IS immunosuppressant, FMF familial Mediterranean fever, CHF congestive heart failure, GCA giant cell arteritis, SSZ sulfasalazine, Lef leflunomide, TCZ tocilizumab, aOR adjusted odds ratio, PR prevalence ratio