Table 1. Features compatible with irritable bowel syndrome (IBS).
The table shows patterns of abdominal pain and/or discomfort, with * marking those consistent with IBS (adapted from source [18]).
| Pattern of abdominal pain or discomfort | 
| Chronic duration* | 
| Type of pain: intermittent* or continuous. | 
| Previous pain episodes.* | 
| Location of pain | 
| Relief with defecation or passing of flatus.* | 
| Other abdominal symptoms: | 
| Bloating* | 
| Distension* | 
| Borborygmi | 
| Flatulence | 
| Nocturnal pain is unusual in IBS and is considered a warning sign. |