Table 2.

Association of the Ocular Staining Score additional corneal points with classification criteria for SS^a

	Confluent Staining	Pupillary Staining	Filaments	Three CSPs	Six CSPs
	OR (95% CI), P	OR (95% CI), P	OR (95% CI), P	OR (95% CI), P	OR (95% CI), P
Anti‐Ro/SSA (positive)	3.11 (2.32‐4.18), 6.34 × 10e‐15	2.82 (2.05‐3.89), 5.12 × 10e‐11	2.53 (1.44‐4.45), 5.16 × 10e‐04	3.24 (1.5‐6.64), 0.0038	1.63 (0.63‐3.84), 0.363
Anti‐La/SSB (positive)	2.54 (1.83‐3.52), 6.87 × 10e‐09	2.67 (1.88‐3.79), 9.26 × 10e‐09	3.07 (1.72‐5.49), 4.05 × 10e‐05	3.23 (1.42‐6.95), 0.0045	3.13 (1.29‐8.2), 0.018
Biopsy (positive)	2.73 (2.01‐3.7), 2.53 × 10e‐11	2.72 (1.93‐3.81), 1.87 × 10e‐09	1.91 (0.99‐3.68), 0.029	2.37 (1.05‐5.46), 0.038	1.09 (0.41‐2.8), 1.0
Schirmer's test (positive)	2.53 (1.9‐3.37), 6.54 × 10e‐11	3.33 (2.42‐4.58), 1.20 × 10e‐14	2.09 (1.08‐4.05), 0.015	3.29 (1.54‐6.89), 0.003	3.66 (1.24‐10.42), 0.032
WUSF (positive)	2.42 (1.79‐3.25), 1.99 × 10e‐09	2.88 (2.04‐4.07), 3.26 × 10e‐10	4.93 (2.29‐10.6), 3.99 × 10e‐06	3.81 (1.57‐8.95), 0.003	8.49 (1.34‐91.1), 0.014

Abbreviation: CI, confidence interval; CSP, corneal staining point; OR, odds ratio; SS, Sjögren syndrome; WUSF, whole unstimulated salivary flow.

^aBased on analysis of 316 participants with extra points: n = 209 for SS and n = 107 for non‐SS sicca. Presence (positive) 21 for each criterion is based on Vitali et al 4.