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. Author manuscript; available in PMC: 2013 Sep 13.
Published in final edited form as: Am J Gastroenterol. 2009 Jun 2;104(7):1772–1779. doi: 10.1038/ajg.2009.239

Table 4.

Distribution of IBS status according to SSC and GSI domain of the SCL-90-R

SSC score
<0.18 (<25%) 0.18–0.77 (25–75%) >0.77 (>75%) Total
GSIa IBS, n/N % With IBS IBS, n/N % With IBS IBS, n/N % With IBS IBS, n/N % With IBS
<40 0/35 0 5/39 13% 1/2 50% 6/76 8%
40–60 10/66 15% 37/176 21% 29/70 40% 76/312 24%
>60 1/2 50% 7/30 23% 16/41 39% 24/73 33%
Total 11/103 11% 49/245 20% 46/113 40% 106/461 23%

IBS, irritable bowel syndrome; GSI, Global Severity Index; SCL-90-R, Symptom Checklist-90-R; SSC, Somatic Symptom Checklist.

a

Standardized T scores with a mean of 50 and s.d. of 10.