Table 3 |
||||
|
Saliva and lacrimal measures |
||||
| Measure |
Group |
n |
Median (interquartile range) |
pa |
|
|
||||
| Unstimulated salivary flow (ml/min) |
Normal |
20 |
5.5 (4.0–9.5) |
0.0009 |
| RA |
25 |
3.0 (1.0–5.0) |
||
| Stimulated salivary flow, 15 min (ml/min) |
Normal |
20 |
8.0 (3.8–10.5) |
0.0005 |
| RA |
25 |
4.0 (1.5–4.5) |
||
| Basal salivary NOx (μM)b |
Normal |
20 |
46.1 (19.5–71.3) |
NS |
| RA |
25 |
48.8 (31.3–83.4) |
||
| Stimulated salivary NOx, 15 min (μM)b |
Normal |
20 |
48.1 (26.6–98.7) |
NS |
| RA |
25 |
37.0 (15.7–81.9) |
||
| Schirmer's tear test, left (mm) |
Normal |
19 |
14.0 (5.0–30.0) |
0.025 |
| RA |
25 |
8.0 (2.0–17.5) |
||
| Schirmer's tear test, right (mm) |
Normal |
19 |
12.0 (5.0–30.0) |
0.008 |
| RA |
25 |
5.0 (1.5–10.0) |
||
|
|
||||
|
NOx, nitrite + nitrate; aNS*, not significant; RA, rheumatoid arthritis. aComparing normal and RA; bsaliva collected on the third day of the diet. |
||||
|
Weinberg et al. Arthritis Research & Therapy 2006 8:R140 doi:10.1186/ar2030 |
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