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Table 1 Characteristics of cases and controls

From: An outbreak of multi-drug resistant Escherichia coli urinary tract infection in an elderly population: a case-control study of risk factors

 

Cases

Controls

p*

(N = 76)

(N = 156*)

n (%)

n (%)

Gender

  

<0.001

Male

16 (21)

75 (48)

 

Female

60 (78)

80 (51)

 

Missing

0

1 (1)

 

Age

  

0.005

65–74

14 (18)

52 (33)

 

75–84

29 (38)

65 (42)

 

85+

33 (43)

37 (24)

 

Missing

0

2 (1)

 

Residence

  

<0.001

Own home

22 (29)

109 (70)

 

Residential facility

53 (70)

47 (30)

 

Missing

1 (1)

0

 

Level of care

  

<0.001

Independent

25 (32)

104 (67)

 

Assisted living

38 (50)

46 (30)

 

High Dependency

12 (16)

6 (4)

 

Missing

1 (1)

0

 

Admitted to hospital in past year

  

0.01

Yes

54 (71)

84 (54)

 

No

21 (28)

71 (46)

 

Missing

1 (1)

1 (1)

 

Diabetes

  

0.014

Yes

23 (30)

26 (17)

 

No diabetes diagnosis

46 (61)

117 (75)

 

Missing

7 (9)

13 (8)

 

Catheterized in past year

  

<0.001

Yes

29 (38)

23 (15)

 

No

38 (50)

109 (70)

 

Missing

9 (12)

24 (15)

 

Number of UTIs in past year

  

<0.001

None

0 (0)

77 (49)

 

1

23 (30)

26 (17)

 

2

25 (33)

15 (10)

 

3+

26 (34)

23 (15)

 

Missing

2 (3)

15 (10)

 
  1. * p value for Chi squared test calculated excluding missing values