|
Early SSc
(n= 39)
|
UCTD
(n= 37)
|
P
|
---|
E/A ratio <1*
|
2/31 (6.5)
|
1/26 (3.8)
|
ns
|
DLCO <80%
|
11/39 (28.2)
|
10/37 (27)
|
ns
|
FVC <80%
|
1/39 (2.6)
|
1/37 (2.7)
|
ns
|
Basal LES pressure <15 mmHg
|
11/36 (30.6)
|
4/27 (14.8)
|
ns
|
One or more functional alteration
|
19/39 (48.7)
|
14/37 (37.8)
|
ns
|
- *not alternatively explained. All data are expressed as numbers and percentages (in brackets). DLCO, diffusing lung capacity for carbon monoxide; E/A ratio <1, inverted ratio between early (E)/late (atrial = A) ventricular filling velocity; FVC, forced vital capacity; LES, low esophageal sphincter; SSc, systemic sclerosis; UCTD, undifferentiated connective tissue disease