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Table 3 Association between organ-by-organ baseline ESSDAI activity at diagnosis and the risk of development of the three main subtypes of hematological cancer

From: Characterization and risk estimate of cancer in patients with primary Sjögren syndrome

Variables

B-cell MALT (n = 27)

B-cell non-MALT (n = 19)

Non-B-cell neoplasms (n = 15)

Dry eye

0.90 [0.12–6.83]

0.76 [0.10–5.94]

Altered ocular tests

1.33 [0.17–10.17]

Altered parotid scintigraphy

1.10 [0.25–4.86]

0.49 [0.13–1.87]

Positive salivary gland biopsy

1.84 [0.42–8.04]

0.37 [0.07–2.12]

0.83 [0.17–3.98]

Anemia (Hb < 110 g/L)

0.89 [0.31–2.61]

2.58 [1.01–6.58]

4.02 [1.42–11.38]

Leukopenia (<4000/mm3)

0.51 [0.15–1.69]

0.84 [0.24–2.89]

2.54 [0.86–7.52]

Thrombocytopenia (<150000/mm3)

0.47 [0.06–3.48]

4.85 [1.64–14.34]

Neutropenia (<1500/mm3)

1.24 [0.42–3.63]

0.51 [0.07–3.92]

5.86 [1.89–18.14]

Lymphopenia (<1000/mm3)

2.12 [0.79–5.68]

0.32 [0.04–2.48]

2.14 [0.65–7.02]

Antinuclear antibodies+

1.15 [0.35–3.84]

0.86 [0.25–2.97]

1.14 [0.26–5.10]

Rheumatoid factor+

0.94 [0.43–2.03]

1.16 [0.47–2.86]

1.28 [0.46–3.53]

Anti-Ro/SS-A+

1.07 [0.42–2.71]

1.63 [0.53–5.03]

1.26 [0.39–4.09]

Anti-La/SS-B+

0.66 [0.30–1.46]

2.35 [0.88–6.32]

1.34 [0.47–3.83]

Monoclonal gammopathy

1.30 [0.38–4.43]

3.34 [1.14–9.83]

2.16 [0.58–8.04]

Cryoglobulins+

6.32 [2.47–16.15]

3.31 [1.06–10.36]

4.36 [1.12–16.99]

Low C3 levels (<0.82 g/L)

3.25 [1.33–7.93]

1.14 [0.26–5.06]

1.43 [0.31–6.48]

Low C4 levels (<0.11 g/L)

1.76 [0.65–4.78]

3.83 [1.31–11.21]

1.36 [0.30–6.11]

Baseline ESSDAI

1.07 [1.03–1.11]

1.04 [0.98–1.09]

1.08 [1.03–1.13]

Baseline DAS (REF = low)

Moderate

0.91 [0.33–2.51]

1.20 [0.42–3.47]

3.37 [0.84–13.52]

High

4.80 [1.99–11.62]

2.60 [0.84–8.07]

8.29 [2.05–33.55]

ESSDAI domains†

Constitutional

1.31 [0.39–4.44]

1.62 [0.37–7.12]

7.20 [2.43–21.32]

Lymphadenopathy

9.39 [4.20–21.02]

8.99 [3.35–24.14]

4.74 [1.32–17.02]

Glandular

7.35 [3.36–16.10]

1.34 [0.44–4.13]

1.38 [0.38–5.04]

Articular

1.09 [0.50–2.39]

2.07 [0.82–5.18]

1.00 [0.34–3.00]

Cutaneous

1.16 [0.35–3.87]

1.28 [0.29–5.56]

0.78 [0.10–6.00]

Pulmonary

4.98 [1.50–16.59]

Central nervous System

1.12 [0.15–8.29]

Hematological

1.10 [0.50–2.42]

0.61 [0.22–1.69]

4.99 [1.58–15.76]

Biological

1.35 [0.60–3.06]

6.57 [1.51–28.55]

1.68 [0.57–4.95]

  1. Values are represented as the HRs (95% CIs). B-cell non-MALT lymphomas included diffuse large B-cell lymphoma (7), marginal zone lymphoma (4), myeloma multiple (2), and other B-cell lymphomas (6). Non-B-cell neoplasms included myelodysplastic syndromes (4), leukemia (4), Hodgkin lymphoma (4), and T/NK cell neoplasias (3)
  2. Set in italics, statistically significant (p < 0.05) SS-related features and ESSDAI domains associated with cancer in the univariate Cox proportional hazards regression analysis adjusted for age at diagnosis and gender
  3. REF reference level, ESSDAI EULAR-Sjögren Syndrome Disease Activity Index, DAS disease activity states
  4. †Level of activity is recoded as no versus any type of activity (low/moderate/high) in the analysis. There were not enough observations to fit models for the renal, muscular, and peripheral nervous system domains