Skip to main content

Table 1 Demographic, clinical, viral type and geographic characteristics of Emergency Department (ED) visits assigned a provisional diagnosis of influenza and laboratory-confirmed influenza notifications by season, New South Wales, 2001 to 2005

From: Potential for early warning of viral influenza activity in the community by monitoring clinical diagnoses of influenza in hospital emergency departments

  

ED provisional diagnosis of influenza

Laboratory-notified influenza infection

  

Influenza season (May-Sep)

Rest of year

Total

Influenza season (May-Sep)

Rest of year

Total

  

No.

%

No.

%

No.

%

No.

%

No.

%

No.

%

Age group

0–4 yrs

1108

14%

567

14%

1675

14%

1298

40%

90

7%

1388

31%

 

5–9 yrs

526

7%

162

4%

688

6%

210

6%

33

3%

243

5%

 

10–14 yrs

487

6%

166

4%

653

5%

162

5%

41

3%

203

4%

 

15–19 yrs

825

11%

437

10%

1262

11%

118

4%

60

5%

178

4%

 

20–24 yrs

930

12%

553

13%

1483

12%

102

3%

105

8%

207

5%

 

25–29 yrs

710

9%

489

12%

1199

10%

108

3%

97

8%

205

5%

 

30–34 yrs

705

9%

400

10%

1105

9%

128

4%

108

8%

236

5%

 

35–39 yrs

558

7%

302

7%

860

7%

118

4%

93

7%

211

5%

 

40–44 yrs

435

6%

281

7%

716

6%

116

4%

79

6%

195

4%

 

45–49 yrs

374

5%

182

4%

556

5%

98

3%

71

6%

169

4%

 

50–54 yrs

283

4%

159

4%

442

4%

94

3%

78

6%

172

4%

 

55–59 yrs

215

3%

111

3%

326

3%

98

3%

79

6%

177

4%

 

60–64 yrs

143

2%

95

2%

238

2%

118

4%

73

6%

191

4%

 

65–69 yrs

122

2%

74

2%

196

2%

112

3%

74

6%

186

4%

 

70–74 yrs

126

2%

79

2%

205

2%

101

3%

70

5%

171

4%

 

75–79 yrs

93

1%

41

1%

134

1%

94

3%

57

4%

151

3%

 

80–84 yrs

84

1%

34

1%

118

1%

99

3%

34

3%

133

3%

 

85+ yrs

76

1%

34

1%

110

1%

101

3%

32

3%

133

3%

 

Unknown

0

0%

1

0%

1

0%

0

0%

1

0%

1

0%

Sex

Male

3767

48%

2063

50%

5830

49%

1671

51%

569

45%

2240

49%

 

Female

4032

52%

2104

50%

6136

51%

1601

49%

705

55%

2306

51%

Admission status

Admitted

434

6%

193

5%

627

5%

N/A

N/A

N/A

N/A

N/A

N/A

 

Not Admitted

7360

94%

3966

95%

11326

95%

N/A

N/A

N/A

N/A

N/A

N/A

Influenza type

A

N/A

N/A

N/A

N/A

N/A

N/A

2635

80%

974

76%

3609

79%

 

B

N/A

N/A

N/A

N/A

N/A

N/A

534

16%

235

18%

769

17%

 

Both A & B

N/A

N/A

N/A

N/A

N/A

N/A

43

1%

47

4%

90

2%

 

Unspecified

N/A

N/A

N/A

N/A

N/A

N/A

63

2%

19

1%

82

2%

Area of residence

Major cities

4094

52%

2209

53%

6303

53%

2495

76%

985

77%

3480

76%

 

Inner regional

2452

31%

1261

30%

3713

31%

517

16%

184

14%

701

15%

 

Outer regional

990

13%

546

13%

1536

13%

216

7%

83

7%

299

7%

 

Remote

205

3%

81

2%

286

2%

24

1%

5

0%

29

1%

Total

 

7800

100%

4167

100%

11967

100%

3275

100%

1275

100%

4550

100%

  1. Note: categories may not add to the totals due to a small proportion of unknown values.