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Table 1 Characteristics of included studies

From: Prevalence of arterial hypertension among Brazilian adolescents: systematic review and meta-analysis

Reference

Year of data collection

Total N

Region

Age group (years)

% Male

Instrument

Number of measurements/measure used

Hypertension guideline used

Brandão et al. 1996 [15]

1987

3906

SE

10-15

NI

Auscultatory

3/Only third measurement

Task Force 1987 [17]

Candido et al. 2009 [18]

2006

487

SE

10-14

48.5

Oscillometric

3

V DBHA 2006 [19]

Chaves et al. 2006 [20]

2001-2002

179

NE

12-18

50.3

Auscultatory

NI

IV DBHA 2004 [21]

Christofaro et al. 2010 [22]

2008

233

S

10-15

51.5

Oscillometric

2/Average of 2

The Fourth Report 2004 [10] V DBHA 2006 [19]

Costa et al. 1998 [16]

1995-1996

646

SE

12-19

51.4

Oscillometric

2/Average of 2

V JNC 1983 [23]

Da Silva et al. 2007 [4]

2005

674

NE

14-17

44.9

Auscultatory

2/Average of 2

The Fourth Report 2004 [10]

De Campos et al. 2010 [24]

2008

497

S

10-18

52.3

Auscultatory

2/Average of 2

The Fourth Report 2004 [10]

Gomes et al. 2009 [25]

2006

1878

NE

14-20

39.3

Auscultatory

1

V DBHA 2006 [19] Task Force 1996 [26]

Monego et al. 2006 [27]

2001-2002

2118

CO

10-14

49.7

Auscultatory

2/Second measurement

Task Force 1996 [26]

Moura et al. 2004 [28]

2000-2002

898

NE

11-17

42.3

Auscultatory

2/Assesses both measurements separately

Task Force 1996 [26] III Brazilian Consensus on Hypertension 1999 [29]

Paixão et al. 2009 [30]

2006

71

SE

11-16

46.5

Auscultatory

3/Mean of 2 last measurements (V DBHA)

V DBHA 2006 [19]

Peters et al. 2009 [31]

2006

205

SE

16-20

51.7

Auscultatory

3/Mean of 2 last measurements

V DBHA 2006 [19] The Fourth Report 2004 [10]

Rodrigues et al. 2006 [32]

2003-2005

380

SE

10-14

46.6

Auscultatory

3/Mean of 3

IV DBHA 2004 [21] Task Force 1996 [26]

Roelofs et al. 2010 [33]

2008

1002

NE

12-17

44.1

Oscillometric

3/Mean of 2 last measurements

The Fourth Report 2004 [10]

Rosa et al. 2007 [34]

2003-2004

456

SE

12-17

44.5

Oscillometric

6/Mean of 6

The Fourth Report 2004 [10] IV DBHA 2004 [21]

Silva et al. 2008 [35]

2007

704

SE

10-15

47.3

Auscultatory

3/Mean of 2 last measurements (V DBHA)

V DBHA 2006 [19]

Souza et al. 2006 [36]

2004

302

NE

12-18

31.4

Auscultatory

3

IV DBHA 2004 [21]

  1. Regions: CO-Midwest; NE- Northeast; S-South; SE- Southeast.
  2. NI – No information.
  3. DBHA – Brazilian Guideline for Hypertension (Diretriz Brasileira de Hipertensão Arterial).
  4. All studies measured blood pressure with participants in the sitting position.
  5. All studies used the as definition of hypertension values equal to or above the 95th percentile.