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Table 1 Patient demographics and clinical data for all countries (total N = 853). Values are in percentages unless otherwise specified.

From: Reliability and validity of the Gastrointestinal Symptom Rating Scale (GSRS) and Quality of Life in Reflux and Dyspepsia (QOLRAD) questionnaire in dyspepsia: A six-country study

Variables

South Africa

Germany

Hungary

Italy

Poland

Spain

Number of patients

      

   visit 1

111

141

136

175

135

155

   visit 2

54

54

82

101

78

72

Mean age (years), (SD)

42.2 (11.8)

43.8 (14.9)

45.1 (14.2)

45.8 (15.4)

45.0 (14.0)

48.3 (15.9)

Female

68.5

68.8

72.1

61.1

66.7

67.7

Caucasian

11

98

100

100

100

100

Married

59.5

61.7

69.1

69.7

65.9

69.0

Full-time employed

41.4

61.0

64.0

48.6

52.6

43.9

Duration of current episode of dyspepsia symptoms > 1 month

71.2

53.2

72.8

58.3

65.1

72.3

Duration of disease > 5 years

26.1

41.8

24.3

19.4

40.0

49.7

Severity of symptoms last 7 days at least moderate

95.5

89.3

73.5

75.4

77.8

69.7

Symptoms on at least 5 days in previous week

64.9

61.0

47.1

28.6

62.2

48.4

No comorbidity

59.4

80.8

69.8

84.0

73.3

31.6

Concomitant medication

      

   No current medication

33.3

71.6

37.5

58.3

39.2

33.5

   Proton pump inhibitors

21.6

15.6

25.7

6.8

27.4

20.6

Predominant dyspepsia symptom

      

   Abdominal pain

70.3

50.4

58.8

38.3

47.4

20.6

   Abdominal discomfort

29.7

46.1

30.1

58.3

51.9

79.4

Previous peptic ulcer and/or ulcerative reflux esophagitis

14.4

4.3

6.6

9.1

8.1

5.2

Emotional problems, past 5 years

33.3

2.8

5.1

8.0

13.3

38.7

  1. SD, standard deviation.