|
n (%)
|
Class 1
|
Class 2
|
Class 3
|
Class 4
|
Class 5
|
|---|
|
N = 1598
|
N = 845
|
N = 2375
|
N = 1181
|
N = 1435
|
|---|
|
Heartburn
| | | | | |
|
None
|
53 (3.3)
|
41 (4.9)
|
12 (0.5)
|
204 (17.3)
|
0
|
|
Mild
|
325 (20.3)
|
310 (36.7)
|
599 (25.2)
|
369 (31.2)
|
684 (47.7)
|
|
Moderate
|
913 (57.1)
|
423 (50.1)
|
1439 (60.6)
|
544 (46.1)
|
681 (47.5)
|
|
Severe
|
307 (19.2)
|
71 (8.4)
|
325 (13.7)
|
64 (5.4)
|
70 (4.9)
|
|
Regurgitation
| | | | | |
|
None
|
107 (6.7)
|
157 (18.6)
|
199 (8.4)
|
2 (0.2)
|
1063 (74.1)
|
|
Mild
|
543 (34.0)
|
356 (42.1)
|
989 (41.6)
|
650 (55.0)
|
225 (15.7)
|
|
Moderate
|
757 (47.4)
|
273 (32.3)
|
1031 (43.4)
|
465 (39.4)
|
130 (9.1)
|
|
Severe
|
191 (12.0)
|
59 (7.0)
|
156 (6.6)
|
64 (5.4)
|
17 (1.2)
|
|
Number of days per week
| | | | | |
|
1 day per week
|
70 (4.4)
|
171 (20.2)
|
131 (5.5)
|
159 (13.5)
|
258 (18.0)
|
|
2 to 3 days per week
|
529 (33.1)
|
407 (48.2)
|
823 (34.7)
|
523 (44.3)
|
631 (44.0)
|
|
4 to 5 days per week
|
546 (34.2)
|
171 (20.2)
|
804 (33.9)
|
279 (23.6)
|
309 (21.5)
|
|
6 to 7 days per week
|
453 (28.3)
|
96 (11.4)
|
617 (26.0)
|
220 (18.6)
|
237 (16.5)
|
|
Time of occurrence
| | | | | |
|
Only during the day
|
405 (25.3)
|
0
|
189 (8.0)
|
1094 (92.6)
|
1206 (84.0)
|
|
Only during the night
|
1 (0.1)
|
845 (100)
|
0
|
0
|
0
|
|
Both during day and night
|
1192 (74.6)
|
0
|
2186 (92.0)
|
87 (7.4)
|
229 (16.0)
|
- N = number of subjects.
- n = number of subjects with observations.
