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Table 1 Demographic data of the two studied groups

From: Rivastigmine patch (Exelon patch) compared to melatonin patch in prevention of postoperative delirium in the elderly

 

Group M (No. = 90)

Group R (No. = 90)

Tests

t/χ2

P value

Age (years) (mean ± SD)

73.32

± 8.33

71.77

± 7.47

1.319

0.189

Sex (number and %)

      

 Female

40

44.4

49

54.4

1.800

0.180

 Male

50

55.6

41

45.6

Duration of operation

3.40

± 0.83

3.45

± 0.89

0.399

0.690

ASA physical status (number and %)

      

 I

68

75.6

71

78.9

0.912

0.634

 II

10

11.1

11

12.2

 III

12

13.3

8

8.9