Table 3

Unstimulated (UWS) and stimulated (SWS) whole salivary flow rate and composition in the patients with primary Sjögren's syndrome (pSS, n = 20) and the healthy controls (n = 20). Results are given in median (range).

UWS

SWS


pSS

Healthy controls

P-value

pSS

Healthy controls

P-value


Flow rate (ml/min)

0.02 (0.00–0.23) (n = 20)

0.39 (0.06–1.10) (n = 20)

<0.001

0.14 (0.01–1.66) (n = 20)

1.40 (0.54–2.82) (n = 20)

<0.001

Na+ (mM)

12.0 (8.0–47.0) (n = 11)

8.0 (4.5–17.0) (n = 20)

0.008

16.0 (8.0–59.0) (n = 12)

10.3 (5.5–30.0) (n = 20)

0.020

K+ (mM)

22.2 (5.1–48.0) (n = 11)

21.9 (6.8–33.4) (n = 20)

0.536

21.6 (15.2–34.6) (n = 12)

22.0 (11.5–26.5) (n = 20)

0.533

Total calcium (mM)

2.0 (1.3–3.2) (n = 7)

1.7 (0.5–2.8) (n = 19)

0.285

1.3 (0.7–1.9) (n = 12)

1.3 (0.8–2.5) (n = 20)

0.558

Cl- (mM)

25.8 (16.0–62.0) (n = 10)

18.3 (5.2–26.0) (n = 19)

0.003

22.6 (13.5–58.6) (n = 11)

16.1 (10.5–28.6) (n = 20)

0.037

Total phosphate (mM)

6.0 (1.2–15.0) (n = 9)

6.8 (2.4–11.7) (n = 19)

0.961

4.4 (2.4–8.5) (n = 11)

4.1 (1.6–11.5) (n = 20)

0.606

Total protein (mg/ml)

3.00 (1.52–8.84) (n = 8)

3.29 (1.36–6.25) (n = 19)

0.560

3.50 (0.421–8.93) (n = 12)

3.04 (1.23–5.54) (n = 20)

0.491

Total protein output (mg/min)

0.210 (0.06–0.80) (n = 8)

1.09 (0.50–2.38) (n = 19)

<0.001

0.95 (0.11–4.33) (n = 12)

3.88 (2.35–8.06) (n = 20)

<0.001

Amylase activity (μkat/l)

365 (0–4500) (n = 10)

980 (0–8940) (n = 19)

0.155

1490 (0–4080) (n = 12)

2280 (0–5890) (n = 20)

0.199


P-value obtained by Wilcoxon's rank sum test.

Pedersen et al. BMC Clinical Pathology 2005 5:4   doi:10.1186/1472-6890-5-4

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