Skip to main content
. 2014 Nov 15;20:2311–2317. doi: 10.12659/MSM.890678

Table 1.

Type of parotid pathology with regard to: patient’s age, the duration and intensity of complaints, ultrasound images and the primary outcome variable: elastography values (p value presented only for characteristics for which statistical tests were performed).

Diagnosis/number of patients pSS/20 Stensen’s duct stenosis/15 Sialolithiasis/33 Chronic inflammation/10 All/78 p
Age (years)
 Mean 46 49 47 42 46
 Median 48 55 49 48 49
 Std. dev. 17 13 16 15

Duration of complaints (months)
 Mean 18 14 15 13 15
 Median 24 12 12 9 12
 Std. dev. 8 9 9 10

Intensity of complaints (No. of patients)
 Mild 8 5 4 7 24
 Moderate 6 7 12 3 28
 Strong 6 3 17 0 26

Ultrasound picture (No. of patients)
 Hypoechoic areas 14 (70%) 0 (0%) 0 (0%) 0 (0%) 14 (18%)
 Normoechogenic 6 (30%) 13 (86.7%) 21 (63.6%) 10 (100%) 50 (64%)
 Hyperechogenic 0 (0%) 2 (13.3%) 12 (36.4%) 0 (0%) 14 (18%)

Elasticity values (kPa)
 Mean 111 63 82 48 77
 Median 106 60 66 21 62 0.05
 Std. dev. 60 40 64 50 59