Table 2.
Prevalence of Irritable Bowel Syndrome (Rome III Criteria)
| Study | Sample size | Subject group (Method of data collection) | Country | Age | IBS (%)a | Subtype (%)a | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
||||||||||
| Total | M | F | IBS-C | IBS-D | IBS-M | IBS-U | |||||
| Jung et al,28 2007 | 2273 | GP (Postal) | USA | 33–93 | 11.1 | 7.9 | 13.9 | 3.2 | 3.9 | 1.3 | 2.7 |
| Miwa,29 2008 | 10 000 | GP (Internet) | Japan | 20 ≤ | 13.1 | 10.7 | 15.5 | 3.1 | 3.9 | 6.1 | - |
| Gomez Alvarez et al,30 2009b | 558 | GP (Interview) | Colombia | 18–60 | 19.9 | - | - | - | - | - | - |
| Khoshkrood-Mansoori et al,31 2009 | 18 180 | GP (Interview) | Iran | 16 ≤ | 1.1 | 0.6 | 1.5 | - | - | - | - |
| Lee et al,32 2009 | 2005 | GP (Telephone) | China | 15–65 | 5.4 | 4.6 | 6.2 | 1.1 | 2.0 | 0.3 | 1.9 |
| Kaji et al,11 2010 | 2680 | Health check-up | Japan | Mean 40 | 14.2 | - | - | - | - | - | - |
| Noh et al,12 2010 | 2388 | Health check-up | Korea | Mean 43 | 10.1 | - | - | - | - | - | - |
| Sorouri et al,33 2010 | 18 180 | GP (Interview) | Iran | 16–80 | 1.1 | 0.6 | 1.5 | - | - | - | - |
| Ebling et al,34 2011 | 703 | GP (Postal) | Croatia | 20–69 | 29.2 | 21.4 | 36.7 | - | - | - | - |
| Kubo et al,35 2011 | 2717 | Health check-up | Japan | Mean 40 | 13.5 | 10.5 | 19.3 | 2.9 | 3.8 | 3.3 | 3.6 |
| Makharia et al,36 2011 | 4767 | GP (Interview) | India | 18–64 | 4.0 | 3.2 | 4.8 | 0.3 | 1.5 | 1.7 | 0.5 |
| Chang et al,14 2012 | 4275 | GP (Interview) | Taiwan | 19 ≤ | 4.4 | 3.4 | 5.4 | - | - | - | - |
| Choung et al,15 2012 | 3517 | GP (Postal) | USA | Mean 61 | 19.4 | - | - | - | - | - | - |
| Miwa,18 2012 | 15 000 | GP (Internet) | Japan | 20–79 | 14.0 | 12.7 | 15.4 | - | - | - | - |
| Krogsgaard et al,37 2013 | 6112 | GP (Internet) | Denmark | 18–50 | 16.0 | M < F | 2.9 | 5.3 | 5.7 | 1.8 | |
| Lin et al,38 2014 | 1002 | GP (Interview) | UK | 16–93 | 6.0 | M < F | 0.7 | 1.4 | 2.7 | 1.2 | |
| Perveen et al,21 2014 | 3000 | GP (Interview) | Bangladesh | 15–97 | 12.9 | 12.4 | 13.6 | 3.5 | 4.5 | 3.7 | 0.6 |
| Rasmussen et al,22 2014 | 47 090 | GP (Internet) | Denmark | 20 ≤ | 10.5 | 7.9 | 12.8 | - | - | - | - |
a
Including the calculated data from papers,
b
Spanish (English abstract).
IBS, irritable bowel syndrome; M, male; F, female; IBS-C, IBS with constipation; IBS-D, IBS with diarrhea IBS-M, mixed IBS; IBS-U, unsubtyped IBS; GP, general population; -, not assessed.