Table 3.
NHANES 2009–10 IBD Clinical Data.
| All IBD | UC | No IBD | |||||
|---|---|---|---|---|---|---|---|
| n | % (95 %CI) | n | % | n | % (95 %CI) | p-value | |
| Colonoscopy Confirmation* | 43 | 69.4 | 35 | 66 | n.a. | n.a. | |
| Self-Reported Health | |||||||
| Good, Excellent | 33 | 66.6 (52.0,81.3) | 24 | 45 | 3860 | 83.7 (81.9,85.6) | 0.02 |
| Fair, Poor | 29 | 33.4 (18.7,48. 0) | 29 | 55 | 1181 | 16.3 (14.4,18.1) | 0.02 |
| Current GI Symptoms | 36 | 60.0 (40.0,80.2)ǂ | 31 | 59 | 1631 | 31.0 (29.0,32.8) | 0.01 |
| Bristol Stool Type-Diarrhea | 16 | 22.9 (11.0,34.8) | 14 | 29 | 317 | 6.1 (5.4,6.7) | 0.01 |
| Diarrhea Last 12 Mos: | |||||||
| Always, Most of the Time | 6 | 8.6* | 5 | 10* | 158 | 1.2 (0.8,1.6) | n.a. |
| Sometimes | 21 | 55.9 * | 25 | 51 | 1143 | 22.0 (20.3,23.6) | n.a. |
| Rarely, Never | 29 | 35.5 (20.5,50.4) | 19 | 39 | 3015 | 76.8 (75.3,78.3) | 0.01 |
| Fecal Urgency | 27 | 52.0 (34.0,69.8) | 23 | 47 | 1301 | 24.6 (22.9,26.4) | 0.01 |
| Always, Most of the Time | 6 | 9.2* | 5 | 10* | 158 | 2.9 (2.5,3.2) | n.a. |
| Sometimes | 21 | 46.8* | 18 | 37 | 1143 | 25.2 (23.4,27.0) | n.a. |
| Rarely, Never | 29 | 44.0 (29.9,58.1) | 26 | 53 | 3015 | 71.9 (70.0,73.8) | 0.01 |
| Recent GI Illness | 11 | 23.4* | 11 | 23 | 323 | 7.3 (6.0,8.6) | n.a. |
| Medical Therapy: | 12 | 22.6 (11.8,33.4) | 10 | 19 | 370 | 7.0 (5.9,8.1) | 0.01 |
| > 4 Dr. Visits Last 12 Mos. | 22 | 36.8 (17.7,56.0) | 21 | 41 | 637 | 14.3 (12.5,16.1) | 0.03 |
| Anemia Rx Last 3 Mos. | 4 | 5.3* | 4 | 8* | 193 | 3.3 (2.6,4.0) | n.a. |
| Home IBD Medication (30d) | 2 | 4.3* | 2 | 4* | 3 | 0.1* | n.a. |
| History Steroid Use > 1 Mo. | 7 | 13.6* | 5 | 9* | 196 | 3.9 (3.2,4.7) | n.a. |
| Hospital Treatment: | 28 | 27.7* | 25 | 47 | 922 | 15.9 (14.7,17.1) | n.a. |
| Hospitalized Last 12 Mos. | 17 | 21.0 (6.1,35.8) | 15 | 28 | 585 | 9.6 (8.4,10.8) | 0.11 |
| History of Transfusion | 15 | 13.0* | 13 | 25 | 450 | 8.3 (7.5,9.1) | n.a. |
| EIM; Complications | 16 | 24.1 (9.3,38.8) | 14 | 26 | 204 | 3.8 (3.3,4.4) | 0.01 |
| Uveitis/Iritis Diagnosis | 4 | 6.3* | 3 | 6* | 23 | 0.5 (0.2,0.7) | n.a. |
| Colon Cancer Diagnosis | 3 | 4.2* | 3 | 6* | 10 | 0.2* | n.a. |
| Osteoporosis Diagnosis | 10 | 15.3 | 9 | 17* | 161 | 3.0 (2.5,2.5) | n.a. |
| Ankylosing Spondylitis | 4 | 3.0* | 4 | 8* | 24 | 0.4 (0.2,0.6) | n.a. |
| Arthritis Diagnosis | 26 | 30.6 (13.8,47.4) | 23 | 43 | 1041 | 19.1 (17–8,20.3) | 0.18 |
Abbreviations: IBD = inflammatory bowel disease; UC = ulcerative colitis; CD = Crohn's Disease; CI = confidence interval; GI = Gastrointestinal; mos = months; d = days; n = sample size; EIM = IBD extra-intestinal manifestation; n.a. not applicable.
Notes: Colonoscopy estimates are crude percents; number of doctor visits is not included in the overall Medical Therapy estimate; gastrointestinal symptoms data was collected in the NHANES mobile exam center n = 4,372. ǂ Absolute CI width = 30.6, relative CI width = 49.57, 36 events, 11 degrees of freedom. *Variance estimate not statistically reliable.