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Baseline characteristics of salivary glands of 16 patients with primary Sjögren’s syndrome (before treatment) and 9 healthy controls
| Salivary glands | N = 18 (9 healthy controls) | N = 32 (16 patients) | p value |
|---|---|---|---|
| Size of parotid glands (cm) | 1.7 ± 0.28 | 2.05 ± 0.33 | 0.001 |
| Size of submandibular glands | 1.81 ± 0.30 | 2.02 ± 0.54 | 0.9 |
| Sonographic grade (B mode) | |||
| 0 | 18 (100%) | 8 (25%) | |
| ≥1 | 0 | 24 (75%) | <0.0001 |
| Grade among group ≥1 | |||
| 1 | 0 | 7 (22%) | |
| 2 | 0 | 10 (31%) | |
| 3 | 0 | 6 (19%) | |
| 4 | 0 | 1 (3%) | |
