Table 1 Comparison among group of patients on the basis of enrollment site.

From: Atrial fibrillation as a new prognosis factor in chronic patients after hospitalization: the CHRONIBERIA index

Variables

Group 1 (n = 245)

Group 2 (n = 249)

Group 3 (n = 443)

Group 4 (n = 469)

Validation cohort (n = 250)

P

Age

72.3 (13.7)

74.3 (13.7)

80.8 (8.9)

84.8 (7.3)

86 (6.8)

< 0.001

Being male

122 (49.8)

133 (53.4)

198 (44.7)

159 (33.9)

134 (53.6)

< 0.001

Neoplasia

65 (26.5)

41 (16.5)

53 (12)

26 (5.5)

28 (11.2)

< 0.001

BI punctuation

71.7 (32.5)

74.3 (27.8)

54.6 (35.4)

45.9 (31.8)

72.5 (26.2)

< 0.001

PT category

 1

147 (60)

151 (60.6)

166 (37.5)

151 (32.2)

< 0.001

 2

37 (15.1)

42 (16.9)

80 (18.1)

58 (12.4)

 3

25 (10.2)

33 (13.3)

87 (19.6)

38 (8.1)

 4

15 (6.1)

10 (4)

54 (12.2)

21 (4.5)

 5

21 (8.6)

13 (5.2)

56 (12.6)

201 (42.9)

Delirium

23 (9.4)

50 (20.1)

86 (19.8)

59 (12.6)

38 (15.2)

< 0.001

AF

52 (21.2)

86 (34.5)

187 (42.4)

157 (33.5)

121 (48.4)

< 0.001

  1. Matosinhos (Group 1), Porto (Group 2), Aragon (Group 3) and Santiago de Compostela (Group 4).
  2. BI: Barthel index, PT: Pfeiffer´s test, AF: Atrial fibrillation.