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Table 1 Associations between background variables and infections of odontogenic and non-odontogenic aetiology

From: Differences in characteristics and infection severity between odontogenic and other bacterial oro-naso-pharyngeal infections

 

Patients with odontogenic infection

Patients without odontogenic infection

 
 

n

%

% of patients with odontogenic infection

n

%

% of patients without odontogenic infection

p-value

All

101

24.3

 

314

75.7

  

Sex

       

 Male

60

59.4

24.7

183

58.3

75.3

 

 Female

41

40.6

23.8

131

41.7

76.2

ap = 0.908

Age (years)

       

 Range

18–89

  

16–95

   

 Mean

48.5

  

42.4

   

 Median

50.8

  

38.5

  

bp = 0.010

Smoking

       

 Yes

24

23.8

25.3

71

22.6

74.7

 

 No

35

34.7

25.0

105

33.4

75.0

 

 Not known

42

41.6

23.3

138

43.9

76.7

ap = 1.000

Immunodeficiency

       

 Yes

24

23.8

36.9

41

13.1

63.1

 

 No

77

76.2

22.0

273

86.9

78.0

ap = 0.017

Swallowing difficulty

       

 Yes

38

37.6

15.1

213

67.8

84.9

ap < 0.001

 No

61

60.4

39.1

95

30.3

60.9

 

 Not known

2

2.0

25.0

6

1.9

75.0

 

Restricted mouth opening

       

 Yes

69

68.3

44.5

86

27.4

55.5

ap < 0.001

 No

30

29.7

17.0

146

46.5

83.0

 

 Not known

2

2.0

2.4

82

26.1

97.6

 

Respiratory difficulty

       

 Yes

3

3.0

15.0

17

5.4

85.0

ap = 0.428

 No

98

97.0

24.8

297

94.6

75.2

 

Skin redness

       

 Yes

39

38.6

49.4

40

12.7

50.6

ap < 0.001

 No

58

57.43

18.0

264

84.1

82.0

 

 Not known

4

4.0

28.6

10

3.2

71.4

 

Facial and/or neck swelling

      

ap < 0.001

 Yes

92

91.1

54.8

76

24.2

45.2

 

 No

9

8.9

3.7

235

74.8

96.3

 

 Not known

  

0.0

3

1.0

100.0

 

CRP level at hospital admission (mg/l)d

      

cp = 0.906

 Range

0–380

  

0–513

   

 Mean

149.5

  

146.0

   

 Median

128.5

IQR (86–214)

 

132.0

IQR (64.3–205)

  

White blood cell count at hospital admission (E9/l)

      

cp = 0.025

 Range

4.6–33.5

  

1.1–36.6

   

 Mean

13.5

  

14.9

   

 Median

12.9

IQR (10.2–15.5)

 

14.3

IQR (10.9–17.8)

  

Tympanic temperature

      

ap < 0.001

 < 38 °C

77

76.2

24.4

238

75.8

75.6

 

 ≥38 °C

23

22.8

35.9

41

13.1

64.1

 

 Not known

1

1.0

2.8

35

11.1

97.2

 

Surgical intervention

       

 Yes

97

96.0

33.6

192

61.1

66.4

ap < 0.001

 No

4

4.0

3.2

122

38.9

96.8

 

Delay (days) from beginning of symptoms to hospital admission

      

cp = 0.863

 Range

0–22

  

0–44

   

 Mean

4.7

  

4.8

   

 Median

3.0

IQR (2–6)

 

4.0

IQR (2–6)

  
  1. CRP C-reactive protein, IQR interquartile range
  2. aFisher’s exact test
  3. bStudent’s t-test
  4. cMann-Whitney U
  5. dCRP level was available in 100/101 of OIs and 258/314 of non-odontogenic infections
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Head & Face Medicine

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