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Table 2 Prognosis factors: non-adjusted and adjusted analysis on age at diagnosis, sex, and SSc subtype in the French cohort

From: Survival and prognosis factors in systemic sclerosis: data of a French multicenter cohort, systematic review, and meta-analysis of the literature

 

Non-adjusted HR

p

Adjusted HR

p

Demographics

 Male sex

2.00 (1.31–3.05)

0.001

1.53 (0.98–2.39)

0.060

 Age at diagnosis (per 1 year)

1.05 (1.04–1.07)

< 0.001

1.08 (1.04–1.12)

< 0.001

 Age at diagnostic > 60 years

4.97 (2.53–9.78)

< 0.001

5.79 (2.92–11.49)

< 0.001

 Disease duration at time of diagnosis (per 1 year)

1.02 (0.97–1.07)

0.542

1.01 (0.96–1.06)

0.763

 African origin (vs. European)

0.79 (0.38–1.62)

0.516

0.93 (0.43–2.03)

0.864

Skin involvement

 dcSSc subtype (vs. lcSSc)

2.06 (1.39–3.05)

< 0.001

2.40 (1.58–3.64)

< 0.001

 mRSS > 5

1.24 (1.12–1.38)

< 0.001

1.21 (1.03–1.43)

0.022

 Past and/or active digital ulcers

1.22 (0.79–1.90)

0.371

1.29 (0.81–2.04)

0.277

 Telangiectasia

1.64 (1.08–2.48)

0.019

1.55 (1.02–2.35)

0.039

 Calcinosis

1.37 (0.79–2.36)

0.260

1.22 (0.69–2.16)

0.503

Lung involvement

 NYHA class I

–

 

–

 

 NYHA class II

2.68 (1.46–4.92)

0.001

2.37 (1.29–4.36)

0.006

 NYHA class III

17.53 (3.97–14.27)

< 0.001

6.74 (3.53–12.88)

< 0.001

 NYHA class IV

25.76 (10.55–62.92)

< 0.001

16.61 (6.68–41.26)

< 0.001

 NYHA classes III–IV (vs. class I)

4.68 (3.07–7.13)

< 0.001

4.33 (2.82–6.66)

< 0.001

 6MWD (per 100 m)

0.46 (0.36–0.58)

< 0.001

0.51 (0.39–0.67)

< 0.001

 TLC < 70% predicted

3.87 (2.36–6.35)

< 0.001

3.38 (1.96–5.82)

< 0.001

 FVC < 70% predicted

3.11 (1.92–5.02)

< 0.001

2.79 (1.62–4.80)

< 0.001

 DLCO < 70% predicted

4.01 (2.33–6.89)

< 0.001

3.31 (1.87–5.88)

< 0.001

 Interstitial lung disease

1.99 (1.32–2.99)

< 0.001

1.50 (0.96–2.34)

0.072

PH (echo. and/or RHC)

5.01 (3.18–7.89)

< 0.001

4.15 (2.59–6.65)

< 0.001

 sPAP < 35 mmHg

–

 

–

 

 35–46 mmHg

2.05 (0.98–4.28)

0.056

1.26 (0.58–2.70)

0.559

 > 46 mmHg

6.44 (3.69–11.22)

< 0.001

5.94 (3.30–10.72)

< 0.001

 PAH (RHC)

4.96 (2.82–8.72)

< 0.001

4.39 (2.43–7.93)

< 0.001

Heart involvement

 Arrhythmia

2.44 (0.98–6.02)

0.054

1.31 (0.52–3.32)

0.569

 AV block

0.95 (0.13–6.80)

0.956

1.15 (0.15–8.58)

0.890

 BB block

1.26 (0.31–5.15)

0.748

1.37 (0.33–5.67)

0.661

 LVEF < 50%

1.82 (0.25–13.24)

0.555

0.92 (0.12–6.84)

0.938

 Diastolic dysfunction

1.36 (0.43–4.35)

0.603

0.97 (0.30–3.13)

0.953

 Pericarditis

1.74 (0.84–3.61)

0.139

1.07 (0.50–2.26)

0.864

 Valvular disease

4.03 (1.97–8.25)

< 0.001

2.20 (1.05–4.60)

0.037

Renal involvement

 Scleroderma renal crisis

3.44 (2.01–5.89)

< 0.001

2.95 (1.61–5.40)

< 0.001

 GFR < 80 ml/min

1.64 (1.06–2.52)

0.025

1.37 (0.85–2.21)

0.199

Gastrointestinal involvement

1.07 (0.68–1.69)

0.756

1.02 (0.65–1.62)

0.916

 BMI < 18.5 kg/m2

1.10 (0.45–2.74)

0.831

1.79 (0.71–4.51)

0.220

 Albuminemia < 35 g/l

2.30 (1.24–4.30)

0.009

1.45 (0.75–2.82)

0.270

Muscular involvement

1.66 (1.10–2.51)

0.016

1.46 (0.92–2.31)

0.106

 CPK > 200 IU/L

1.27 (0.58–2.76)

0.550

1.15 (0.50–2.64)

0.740

Joint involvement

1.22 (0.82–1.80)

0.329

1.08 (0.70–1.66)

0.720

Cancer

2.44 (1.41–4.21)

0.001

1.86 (1.07–3.26)

0.029

Anemia

2.66 (1.75–4.06)

< 0.001

2.37 (1.54–3.66)

< 0.001

CRP > 8 mg/l

2.05 (1.28–3.27)

0.003

1.70 (1.02–2.82)

0.041

Serologic features

 ACA

0.95 (0.62–1.44)

0.795

0.85 (0.55–1.31)

0.459

 Anti-Scl70 antibodies

0.87 (0.55–1.36)

0.534

0.82 (0.51–1.30)

0.390

 Anti-U1RNP antibodies

1.41 (0.51–3.93)

0.506

1.32 (0.44–3.92)

0.616

 Anti-RNAP3 antibodies

0.96 (0.23–3.94)

0.949

1.32 (0.44–3.92)

0.616

 Anti-PMScl antibodies

0.33 (0.05–2.41)

0.277

0.49 (0.07–3.54)

0.476

 APL antibodies

1.54 (0.71–3.35)

0.280

1.18 (0.53–2.63)

0.679

 Low complement

2.40 (0.97–5.95)

0.059

2.38 (0.95–5.95)

0.063

Smoking

1.06 (0.69–1.62)

0.795

0.97 (0.59–1.59)

0.901

  1. Results are expressed as hazard ratios and 95% confidence interval
  2. lcSSc limited cutaneous systemic sclerosis, dcSSc diffuse cutaneous systemic sclerosis, mRSS modified Rodnan score, GFR glomerular filtration rate, AV block atrioventricular block, BB block bundle branch block, LVEF left ventricular ejection fraction, PH pulmonary hypertension, PAH pulmonary arterial hypertension, echo echocardiography, RHC right heart catheterization, 6MWD 6-min walking distance, sPAP systolic pulmonary arterial pressure, HRCT high-resolution computer tomography, TLC total lung capacity, FVC forced vital capacity, DLCO diffusing capacity of the lungs for carbon monoxide, CRP C reactive protein, BMI body mass index, ACA anti-centromere antibodies, APL antiphospholipid antibodies