Psychological profile in the three study groups (primary SS, secondary SS, and patients with sicca symptoms but without SS). Results are shown as mean (SD) [range]
| Measurements | Primary SS (n=26) | Secondary SS (n=8) | Non-SS (n=9) | p Value |
|---|---|---|---|---|
| DIF, difficulty identifying feelings; DDF, difficulty describing feelings; EOT, externally oriented thinking. | ||||
| TAS (20–100) | 49.7 (12.2) [32–78] | 48.0 (14.9) [42–58] | 47.3 (9.3) [30–58] | 0.9 4 |
| DIF scale (7–35) | 18.7 (6.2) [7–31] | 16.9 (7.1) [9–29] | 17.9 (4.0) [10–23] | 0.75 |
| DDF scale (5–25) | 11.9 (3.8) [5–18] | 12.0 (5.0) [6–18] | 13.1 (3.4) [9–19] | 0.71 |
| EOT scale (8–40) | 19.1 (4.4) [8–30] | 19.1 (5.3) [12–27] | 16.3 (4.1) [9–24] | 0.26 |
| JAS (type A/B behaviour) | −0.8 (9.2) [−15–20] | −3.2 (4.4) [−7–6] | −1.2 (10.6) [−13–15] | 0.84 |
| Vital exhaustion (VE) (0–2) | 1.2 (0.5) [0.2–2.0] | 1.0 (0.5) [0.1–1.7] | 1.2 (0.3) [0.8–1.7] | 0.62 |
| SF-36 (0–100) | ||||
| Physical functioning | 67.1 (19.2) [10–100] | 65.0 (19.8) [40–95] | 61.1 (24.8) [20–90] | 0.78 |
| Role physical | 27.9 (34.2) [0–100] | 28.1 (38.8) [0–100] | 11.1 (25.3) [0–75] | 0.41 |
| Bodily pain | 44.8 (25.8) [0–100] | 49.5 (19.7) [22–84] | 34.7 (16.7) [10–62] | 0.27 |
| General health | 33.3 (17.0) [5–77] | 41.5 (19.0) [20–82] | 30.0 (15.4) [5–60] | 0.3 |
| Vitality | 38.8 (23.1) [5–100] | 47.5 (12.0) [35–75] | 41.1 (18.7) [5–65] | 0.44 |
| Role emotional | 56.0 (43.8) [0–100] | 45.8 (50.2) [0–100] | 40.7 (43.4) [0–100] | <0.05 |
| Mental health | 57.1 (20.7) [20–100] | 63.5 (12.2) [48–88] | 64.3 (6.9) [56–76] | 0.2 |
| Social functioning | 55.3 (27.2) [0–100] | 57.8 (22.1) [37–100] | 50.0 (24.2) [12–87] | 0.74 |