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Table 4 Univariate and multivariate analysis of variables on logarithm-transformed ocular staining score

From: Factors associated with ocular surface epithelial damage in patients with primary Sjögren’s syndrome

Variables

Univariate analysis

Multivariate analysis

Beta (SE)

P-value

Beta (SE)

P-value

Age (y)

0.009 (0.006)

0.136

-0.011 (0.005)

0.043

Sex, n (%)

 Male

1 (Ref)

 

1 (Ref)

 

 Female

0.005 (0.309)

0.988

-0.097 (0.250)

0.699

Duration of disease (m)

0.003 (0.001)

0.029

0.003 (0.001)

0.008

Pharmacological history, n (%)

 Topical Cyclosporine

0.551 (0.185)

0.004

-0.008 (0.161)

0.962

Positive serology % (n)

 Anti-SSA/Ro antibody

0.274 (0.157)

0.086

-0.082 (0.144)

0.572

 Anti-SSB/La antibody

0.504 (0.140)

0.001

0.103 (0.142)

0.476

 Antinuclear antibody, (≥1: 80)

0.235 (0.135)

0.087

0.191 (0.122)

0.123

 Rheumatoid factor

0.315 (0.132)

0.020

0.096 (0.114)

0.404

Ocular surface parameters

 Schirmer’s test I value (mm)

-0.038 (0.008)

<0.001

-0.012 (0.007)

0.105

 FBUT (seconds)

-0.230 (0.026)

<0.001

-0.183 (0.033)

<0.001

 MGD grade (0–4)

0.432 (0.076)

<0.001

0.192 (0.095)

0.049

Parameters using K5M

 NIKBUT-first (seconds)

-0.069 (0.035)

0.054

0.053 (0.030)

0.084

Oral parameters

    

 Subjective oral score (0–3)

0.258 (0.093)

0.007

0.074 (0.067)

0.279

 NSWSF (mL/min)

-0.122 (0.047)

0.011

-0.025 (0.045)

0.578

  1. K5M Keratograph®5M, FBUT fluorescein break-up time, MGD meibomian gland dysfunction, NEI National Eye Institute, NIKBUT non-invasive Keratograph® break-up time, NSWSF non-stimulated whole salivary flow, SE standard error, SSA Sjögren's-syndrome-related antigen A, SSB Sjögren's-syndrome-related antigen B