表 2.
SS患者中SGUS阳性组与阴性组临床特征
Clinical characteristics of SGUS positive and negative groups in patients with SS
| Items | SGUS negative (n=71) | SGUS positive (n=104) | t/χ2/Z | P |
| SGUS, salivary gland ultrasonography; SS, Sjögren’s syndrome; ANA, antinuclear antibody; SSA, Sjögren’s syndrome A; SSB, Sjögren’s syndrome B; RF, rheumatoid factors; IgG, immunoglobulin G; ESR, erythrocyte sedimentation rate; USFR, unstimulated saliva flow rate. | ||||
| Age/years, x±s | 53.9±15.1 | 53.0±14.9 | 0.396 | 0.693 |
| Female, n (%) | 66 (93.0) | 97 (93.3) | 0.000 | 1.000 |
| Course of disease/months，M(P25, P75) | 36 (6, 120) | 36 (12, 60) | -0.087 | 0.931 |
| Schirmer test, n (%) | 58 (81.7) | 89 (85.6) | 0.474 | 0.491 |
| ANA, n (%) | 59 (83.1) | 102 (98.1) | 12.862 | < 0.001 |
| Anti-SSA antibody, n (%) | 46 (64.8) | 81 (77.9) | 3.635 | 0.057 |
| Anti-SSB antibody, n (%) | 12 (16.9) | 28 (26.9) | 2.403 | 0.121 |
| Anti-centrometric antibody, n (%) | 9 (12.7) | 22 (21.2) | 2.081 | 0.149 |
| RF, n (%) | 30 (42.3) | 41 (39.7) | 0.140 | 0.708 |
| IgG, n (%) | 35 (49.3) | 61 (59.6) | 1.819 | 0.177 |
| ESR/(mm/h), x±s | 20.8±18.2 | 31.2±23.1 | -0.118 | 0.906 |
| USFR/(mL/15 min)，x±s | 1.8±1.5 | 1.7±1.3 | 0.574 | 0.567 |
| Lip biopsy, n (%) (n=135) | 50/61 (82) (n=61) | 62/74 (83.8) (n=74) | 0.780 | 0.780 |