Table 1 Incidence of anogenital warts

Data based on retrospective administrative databases or medical chart reviews

Pirotta et al., 2010 [27]

Australia / 2000-06

Setting: nationally representative random sample of approximately 6,460 practicing GPs and sexual health clinics

Any: GW cases never managed by any doctor or a first medical consultation for a new episode of a recurrent problem as determined by GP at consultation

Population: general population

Age: all ages

Steben et al., 2011 [31]

Canada (Quebec) / 2007 (data for most recent year)

Setting: provincial, public healthcare system

New: GW cases preceded by a 12-month, disease-free period of GW care

Population: population covered by the public drug plan (41% of total population)

Age: all ages

Marra et al., 2009 [32]

Canada (British Columbia) / 1998-2006

Setting: physicians, hospitals and STI clinics (province-wide)

New: GW cases preceded by a 12-month, disease-free period of GW care

Denominator: general population

Age: all ages

Kliewer et al., 2009 [33]

Canada (Manitoba) / 2004

Setting: physician offices and hospitals (province-wide)

New: GW cases preceded by a 12-month, disease-free period of GW care

Population: general population

Age: all ages

Kraut et al., 2010 [34]

Germany / 2005-06

Setting: physician offices and hospitals

New: GW cases preceded by a 12-month, disease-free period of GW care

Population: a sample of the German population with statutory health insurance covering all geographical regions (N = 14 million)^†

Age: 10–79 years

Vittori et al., 2008 [28]

Italy / 2005

Setting: random sample of 78 gynecologists stratified by geographic region

New: patients without previous history of GWs. Early recurrent: patients who had a GW episode within the previous 12 months

Population: female population visiting gynecologists

Late recurrent: patients who had a GW episode more than 12 months prior to study episode

Age: 14–64 years

van den Broek et al., 2010 [39]

Netherlands / 2006

Setting: GPs (representative national sample) and all Dutch STI centers

Any: patients with symptoms of GWs

Population: general population

Age: all ages

Castellsague et al., 2009 [29]

Spain / 2005

Setting: representative sample of dermatologists, gynecologists and urologists in the public healthcare setting from 6 autonomous regions

New: patients without any prior GW diagnosis

Population: general population (68% of total Spanish population)

Recurrent: patients who had a previous GW episode

Age: 14–64 years

Cassell et al., 2006 [40]

UK / 1998-2000

Setting: representative sample of GPs and GUM clinics

Any: all patients diagnosed with GWs

Population: general population

Age: all ages

Desai et al., 2011 [38]

UK (England) / 2006-2009

Setting: representative sample of GPs and all GUM clinics

New: patients diagnosed with GWs for the first time during study period

Population: general population

Recurrent: episode occurring more than 8 weeks after last attendance

Age: all ages

Hoy et al., 2009 [35]

USA / 2004

Setting: physicians, hospitals, ERs reimbursed by 5 geographically dispersed private health plans

New: individuals not having a medical or pharmacy claim associated with GWs in the previous 12 months to the index medical claim

Population: privately-insured population (N = 3.8 million)

Age: all ages

Insinga et al., 2003 [2]

USA / 2000

Setting: physicians, hospitals, ERs reimbursed by private health plans

Any: all patients diagnosed with GWs

Population: privately-insured population (N = 3.7 million)

Age: all ages

Koshiol et al., 2004 [36]

USA / 2001

Setting: physicians, hospitals, ERs reimbursed by approximately 30 private health plans (national)

New: no GW-related claims during the initial 12 months of continuous enrollment

Population: privately-insured population (N = 5.9 million)

Age: 15–59 years

Data based on prospectively collected physician reports

Lin et al., 2010 [30]

China (Hong Kong) / 2009

Setting: sample of 170 physicians operating in private clinics (GPs, obstetricians/gynecologists and dermatologists/venereologists) and all 5 local social hygiene clinics

New: cases with no past symptoms or clinical diagnosis of GWs

Population: general population

Age: ≥18 yrs

Monsonego et al., 2007 [43]

France / 2005

Setting: nationwide random sample of 212 gynecologists

NA

Population: general female population

Age: 15–65 years

Hillemanns et al., 2008 [37]

Germany / 2005

Setting: representative sample of 129 gynecologists

New: patients diagnosed with GWs at the time of the visit

Population: general female population

Recurrent: patients with previous episodes of GWs that had resolved

Age: 14–65 years and all ages

Resistant: patients with previous episodes of GWs that had not resolved with treatment

Pasciullo et al., 2011 [41]

Italy / 2009

Setting: geographically representative sample of 650 GPs

Any: all patients diagnosed with GWs

Population: population listed with the above GPs (N = 959,778)

Age: ≥15 years

Data based on genital examinations of samples from the general population

Anic et al., 2011 [8]

Multinational (USA, Mexico, Brazil) / 2005-2009

Setting: prospective study investigating the natural history of HPV infection in men (HPV in Men study)

NA

Population: males with no previous history of GW participating in the above study (N = 2,487)

Age: 18–70 years

Sasagawa et al., 2011 [42]

Japan / 2009

Setting: 63 private clinics in 5 districts

NA

Population: women attending Pap screening in above private clinics (N = 60,414)

Age: 10–59 years