Table 2

Salivary flow rate of SS positive patients (groups A and B: primary and secondary Sjögren's syndrome respectively), SS negative patients (group C), and healthy controls (group D)

Group A
(n=33) 		Group B
(n=25) 		Group C
(n=42) 		Group D (n=36)
Unstimulated
 Parotid flow rate (ml/min/gland)0.02 (0.04)2-151 0.02 (0.04)2-151 0.04 (0.06)0.05 (0.06)
 SM/SL flow rate (ml/min/gland)0.05 (0.09)2-150 2-151 0.02 (0.03)2-150 2-151 0.12 (0.13)0.12 (0.12)
 Lag phase (seconds)212 (212)2-150 2-151 119 (180)2-151 52 (83)2-151 9 (54)
Stimulated
 Parotid flow rate (ml/min/gland)0.12 (0.13)2-151 0.24 (0.25)2-151 0.19 (0.15)2-151 0.52 (0.42)
 SM/SL flow rate (m/min/gland)0.24 (0.28)2-150 2-151 0.26 (0.35)2-151 0.42 (0.28)0.46 (0.24)

  • Values are mean (SD).

  • ↵2-150 Significant difference between SS positive and SS negative patients.

  • ↵2-151 Significant difference between patients and healthy controls. Statistical test used: analysis of variance.

  • SM/SL, Submandibular/sublingual.