Table 2.
Characteristics of the included studies.
| Study ID (Reference) | Duration of the study | Country | Sample size | Mean age(SD) | Male (%) | M/F ratio | Incidence (per million) | Prevalence | Type of the study |
|---|---|---|---|---|---|---|---|---|---|
| Al-Jadid et al., [14] | January 2005-October 2008 | Saudi Arabia | 495 | 34.3 (±0.68) | 404 (81.6%) | 4.44 | - | - | Retrospective review of admission records |
| Al-Jadid et al., [15] | August 1982-November 2010 | Saudi Arabia | 466 | 29.75 (±0.73) | 398 (85.4%) | 5.85 | - | - | Retrospective review of hospital records |
| Rahimi-Movaghar et al., [16] | June 2007-June 2008 | Iran | 496 | - | 342 (68.95%) | 2.22 | 72.45 | 4.4 (per 10 000) | Population-based |
| Al-Habib et al., [17] | May 2001-May 2009 | Saudi Arabia | 23 | 13.7 (±4.5) | 17 (74%) | 2.83 | - | - | Retrospective study |
| Tasoglu et al., [18] | June 2013- May 2014 | Turkey | 262 | 38.3 (± 17.6) | 183 (69.8%) | 2.32 | 8–21 | - | Retrospective |
| Derakhshanrad et al., [19] | September 2011- March 2015 | Iran | 1137 | 29.1 (±11.2) | 901 (79.2%) | 3.82 | - | 2.36 (per 10 000) | Cross-sectional study |
| Gur et al., [20] | 1990-1999 | Turkey | 539 | 30.62 (± 13.21) | 416 (77.17%) | 3.38 | 12.06 | - | Retrospective review of hospital records |
| Erhan et al., [21] | January 1992 - December 2002. | Turkey | 106 | 12.67 (± 4.3) | 70 (66%) | 1.94 | - | - | Retrospective study |
| Erdoǧan et al., [22] | January 2007 - December 2011 | Turkey | 409 | 46.82 (±19.05) | 253 (61.9%) | 1.62 | - | - | Descriptive study |
| Mahmoud et al., [23] | 2009 - 2014 | Saudi Arabia | 418 | 31.4 | 244 (78.2%) | 3.59 | - | - | Retrospective cohort study |
| Karamehmetoglul et al., [24] | January 1992 - 31 December 1992 | Turkey | 152 | 32.5 | 114 (75%) | 3.00 | 21 | - | Retrospective study in all hospitals of Istanbul |
| Alfrayh et al., [25] | August 1982 - November 1983 | Saudi Arabia | 260 | - | 130 (50%) | 1.00 | - | - | Hospital-based study |
| El Tallawy et al., [26] | July 2009 - January 2012 | Egypt | 6 | 40 (±16) | 5 (83.33%) | 5.00 | - | 18 (per 100 000) | Cross-sectional study |
| Movaghar et al., [27] | January 2003- January 2008 | Iran | - | 31 (±7) | - | - | - | 4.4 (per 10 000) | Cross-sectional study |
| Atci et al., [28] | 2010-2013 | Turkey | 91 | 41.3 | 64 (70.4%) | 2.37 | - | - | Retrospective review of the emergency department records |
| Karamehmetoglul et al., [29] | January 1994- December 1994 | Turkey | 75 | 31.3 | 64 (85.33%) | 5.82 | 16.9 | - | Retrospective study |
| Dincer et al., [30] | 1974-1985 | Turkey | 1694 | 26.8 | 1282 (75.68%) | 3.11 | - | - | Retrospective study |
| Karacan et al., [31] | January 1992 - December 1992 | Turkey | 581 | 35.5 (±15.1) | 415 (71.42%) | 2.50 | 12.7 | - | Retrospective study |
| Alshahri at al., [32] | January 2003 - December 2008 | Saudi Arabia | 307 | 29.5 | 271 (88%) | 7.53 | - | - | Retrospective study |
| Cosar et al., [33] | 1996 - 2008 | Turkey | 127 | 37.8 (±13.651) | 86 (67.7%) | 2.10 | - | - | Retrospective study |
| Taghippor et al., [34] | 2002-2003 | Iran | 85 | 35 (±12) | 68 (80%) | 4.00 | - | - | Prospective hospital based data collection study |
| Rahimi-Movaghar et al., [35] | September 2007- January 2008 | Iran | 4 | 31(±7) | 2 (50%) | 1.00 | 44 | 4.4 (per 10 000) | Population-based survey study |
| Chabok et al., [36] | 2005-2006 | Iran | 44 | 38.2 | - | - | - | - | Retrospective review of hospital database |
| Otom et al., [37] | January 1988- December 1993 | Jordan | 151 | 30 | 129 (85.4%) | 5.86 | 18 | - | Retrospective chart review |
| Raibulet et al., [38] | 1991-1999 | Kuwait | 90 | 20.6 | 79 (8.7%) | 7.18 | 7.8 | - | Retrospective chart review |
| Alshahri SS et al., [39] | January 2012- December2015 | Saudi Arabia | 216 | 28.94 | 187 (86.5%) | 6.45 | - | - | Retrospective chart review |
| Alhoseini et al., [40] | March 2010-July 2011 | Iran | 138 | 33.2 (±14.3) | 117 (84.8%) | 5.57 | 10.5 | - | Retrospective hospital based chart review |
| Fakharian et al., [41] | 1995-1999 | Iran | 39 | 39 (±18) | 31 (79.4%) | 3.88 | 30 | - | Prospective hospital study |
| Quinones et al., [42] | 1987-1996 | Qatar | 75 | 32 | 67 (89.24%) | 8.38 | 12.5 | - | Retrospective hospital study |