Table 1
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Characteristics of notified Q fever patients by year of onset of illness (2007–2009)

2007 n = 1932008 n = 9292009 n = 2142Total N = 3264
Age (median and IQR)52 years, IQR 1950 years, IQR 1949 years, IQR 2150 years, IQR 21
Age groups (years)
    0–91 (0.5%)6 (0.6%)10 (0.5%)17 (0.5%)
    10–193 (1.6%)15 (1.6%)80 (3.7%)98 (3.0%)
    20–299 (4.7%)47 (5.1%)184 (8.6%)240 (7.4%)
    30–3925 (13.0%)143 (15.4%)328 (15.3%)496 (15.2%)
    40–4945 (23.3%)225 (24.2%)509 (23.8%)779 (23.9%)
    50–5949 (25.4%)261 (28.1%)499 (23.3%)809 (24.8%)
    60–6940 (20.7%)148 (15.9%)329 (15.4%)517 (15.8%)
    70–7913 (6.7%)67 (7.2%)153 (7.1%)233 (7.1%)
    80–897 (3.6%)17 (1.8%)44 (2.1%)68 (2.1%)
    ≥901 (0.5%)0 (0.0%)6 (0.3%)7 (0.2%)
Sex (% male)117 (60.6%)592 (63.7%)1313 (61.3%)2022 (61.9%)
Living in
    Noord-Brabant163 (84.5%)766 (82.5%)1596 (74.6%)2525 (77.4%)
    Gelderland16 (8.3%)115 (12.4%)117 (5.5%)248 (7.6%)
    Limburg2 (1.0%)12 (1.3%)280 (13.1%)294 (9.0%)
    Utrecht1 (0.5%)3 (0.3%)99 (4.6%)103 (3.2%)
    Other provinces11 (5.7%)33 (3.6%)48 (2.2%)952 (2.8%)
Admissions to hospital89 (46.1%)196 (21.1%)417 (19.5%)702 (21.6%)
Diagnostic delay in days (median and IQR)81, 44–13928, 18–4221, 11–35
2007 n = 1932008 n = 9292009 n = 2142Total N = 3264
Age (median and IQR)52 years, IQR 1950 years, IQR 1949 years, IQR 2150 years, IQR 21
Age groups (years)
    0–91 (0.5%)6 (0.6%)10 (0.5%)17 (0.5%)
    10–193 (1.6%)15 (1.6%)80 (3.7%)98 (3.0%)
    20–299 (4.7%)47 (5.1%)184 (8.6%)240 (7.4%)
    30–3925 (13.0%)143 (15.4%)328 (15.3%)496 (15.2%)
    40–4945 (23.3%)225 (24.2%)509 (23.8%)779 (23.9%)
    50–5949 (25.4%)261 (28.1%)499 (23.3%)809 (24.8%)
    60–6940 (20.7%)148 (15.9%)329 (15.4%)517 (15.8%)
    70–7913 (6.7%)67 (7.2%)153 (7.1%)233 (7.1%)
    80–897 (3.6%)17 (1.8%)44 (2.1%)68 (2.1%)
    ≥901 (0.5%)0 (0.0%)6 (0.3%)7 (0.2%)
Sex (% male)117 (60.6%)592 (63.7%)1313 (61.3%)2022 (61.9%)
Living in
    Noord-Brabant163 (84.5%)766 (82.5%)1596 (74.6%)2525 (77.4%)
    Gelderland16 (8.3%)115 (12.4%)117 (5.5%)248 (7.6%)
    Limburg2 (1.0%)12 (1.3%)280 (13.1%)294 (9.0%)
    Utrecht1 (0.5%)3 (0.3%)99 (4.6%)103 (3.2%)
    Other provinces11 (5.7%)33 (3.6%)48 (2.2%)952 (2.8%)
Admissions to hospital89 (46.1%)196 (21.1%)417 (19.5%)702 (21.6%)
Diagnostic delay in days (median and IQR)81, 44–13928, 18–4221, 11–35

IQR, inter quartile range.

Information missing from two cases.

Information missing from nine cases.

Information missing from 11 cases.

Table 1
Open in new tab

Characteristics of notified Q fever patients by year of onset of illness (2007–2009)

2007 n = 1932008 n = 9292009 n = 2142Total N = 3264
Age (median and IQR)52 years, IQR 1950 years, IQR 1949 years, IQR 2150 years, IQR 21
Age groups (years)
    0–91 (0.5%)6 (0.6%)10 (0.5%)17 (0.5%)
    10–193 (1.6%)15 (1.6%)80 (3.7%)98 (3.0%)
    20–299 (4.7%)47 (5.1%)184 (8.6%)240 (7.4%)
    30–3925 (13.0%)143 (15.4%)328 (15.3%)496 (15.2%)
    40–4945 (23.3%)225 (24.2%)509 (23.8%)779 (23.9%)
    50–5949 (25.4%)261 (28.1%)499 (23.3%)809 (24.8%)
    60–6940 (20.7%)148 (15.9%)329 (15.4%)517 (15.8%)
    70–7913 (6.7%)67 (7.2%)153 (7.1%)233 (7.1%)
    80–897 (3.6%)17 (1.8%)44 (2.1%)68 (2.1%)
    ≥901 (0.5%)0 (0.0%)6 (0.3%)7 (0.2%)
Sex (% male)117 (60.6%)592 (63.7%)1313 (61.3%)2022 (61.9%)
Living in
    Noord-Brabant163 (84.5%)766 (82.5%)1596 (74.6%)2525 (77.4%)
    Gelderland16 (8.3%)115 (12.4%)117 (5.5%)248 (7.6%)
    Limburg2 (1.0%)12 (1.3%)280 (13.1%)294 (9.0%)
    Utrecht1 (0.5%)3 (0.3%)99 (4.6%)103 (3.2%)
    Other provinces11 (5.7%)33 (3.6%)48 (2.2%)952 (2.8%)
Admissions to hospital89 (46.1%)196 (21.1%)417 (19.5%)702 (21.6%)
Diagnostic delay in days (median and IQR)81, 44–13928, 18–4221, 11–35
2007 n = 1932008 n = 9292009 n = 2142Total N = 3264
Age (median and IQR)52 years, IQR 1950 years, IQR 1949 years, IQR 2150 years, IQR 21
Age groups (years)
    0–91 (0.5%)6 (0.6%)10 (0.5%)17 (0.5%)
    10–193 (1.6%)15 (1.6%)80 (3.7%)98 (3.0%)
    20–299 (4.7%)47 (5.1%)184 (8.6%)240 (7.4%)
    30–3925 (13.0%)143 (15.4%)328 (15.3%)496 (15.2%)
    40–4945 (23.3%)225 (24.2%)509 (23.8%)779 (23.9%)
    50–5949 (25.4%)261 (28.1%)499 (23.3%)809 (24.8%)
    60–6940 (20.7%)148 (15.9%)329 (15.4%)517 (15.8%)
    70–7913 (6.7%)67 (7.2%)153 (7.1%)233 (7.1%)
    80–897 (3.6%)17 (1.8%)44 (2.1%)68 (2.1%)
    ≥901 (0.5%)0 (0.0%)6 (0.3%)7 (0.2%)
Sex (% male)117 (60.6%)592 (63.7%)1313 (61.3%)2022 (61.9%)
Living in
    Noord-Brabant163 (84.5%)766 (82.5%)1596 (74.6%)2525 (77.4%)
    Gelderland16 (8.3%)115 (12.4%)117 (5.5%)248 (7.6%)
    Limburg2 (1.0%)12 (1.3%)280 (13.1%)294 (9.0%)
    Utrecht1 (0.5%)3 (0.3%)99 (4.6%)103 (3.2%)
    Other provinces11 (5.7%)33 (3.6%)48 (2.2%)952 (2.8%)
Admissions to hospital89 (46.1%)196 (21.1%)417 (19.5%)702 (21.6%)
Diagnostic delay in days (median and IQR)81, 44–13928, 18–4221, 11–35

IQR, inter quartile range.

Information missing from two cases.

Information missing from nine cases.

Information missing from 11 cases.

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