| . | All patients (N = 481) . | CDP (n = 47) . | No CDP (n = 434) . | P value . | Missing . |
|---|---|---|---|---|---|
| Postoperative follow-up, y | 6.2 (2.3-13.5) | 22.9 (12.1-27.4) | 5.4 (2.0-11.9) | <.01a | 0 (0) |
| Female | 236 (49) | 19 (40) | 217 (50) | .212 | 0 (0) |
| Diagnosis before colectomy | .798 | 0 (0) | |||
| UC | 468 (97) | 46 (98) | 422 (97) | ||
| IBD-U | 13 (3) | 1 (2) | 12 (27) | ||
| Age at diagnosis, y | 28.7 (20.6-37.6) | 24.6 (18.8-32.3) | 29.5 (20.7-38.0) | .036a | 60 (12) |
| Disease duration at time of colectomy, y | 4.1 (1.5-8.0) | 3.3 (1.2-5.8) | 4.1 (1.5-8.3) | .126 | 62 (13) |
| Histology report resection specimenb | .051 | 94 (19) | |||
| Fitting UC | 289 (60) | 29 (62) | 260 (60) | ||
| Indeterminate | 63 (13) | 5 (11) | 58 (13) | ||
| Fitting CD | 35 (7) | 8 (17) | 27 (6) | ||
| Colectomy setting | .963 | 74 (15) | |||
| Elective | 253 (53) | 25 (53) | 228 (53) | ||
| (Semi)urgent | 154 (32) | 15 (32) | 139 (32) | ||
| Age at time of IPAA y | 35.9 (27.9-44.7) | 30.3 (23.3-38.4) | 36.7 (28.4-45.4) | <.01a | 0 (0) |
| Stages IPAA surgery | .737 | 3 (1) | |||
| 1 | 140 (29) | 15 (32) | 125 (29) | ||
| 2 | 80 (17) | 10 (21) | 70 (16) | ||
| Modified 2 | 213 (44) | 18 (38) | 195 (45) | ||
| 3 | 45 (9) | 4 (9) | 41 (9) | ||
| Smoking | .345 | 149 (31) | |||
| No | 260 (54) | 14 (30) | 246 (57) | ||
| Previously | 25 (5) | 3 (6) | 22 (5) | ||
| Yes | 47 (10) | 4 (9) | 43 (10) | ||
| Pouch excision during follow-up | 18 (4) | 6 (13) | 12 (3) | <.01a | 0 (0) |
| . | All patients (N = 481) . | CDP (n = 47) . | No CDP (n = 434) . | P value . | Missing . |
|---|---|---|---|---|---|
| Postoperative follow-up, y | 6.2 (2.3-13.5) | 22.9 (12.1-27.4) | 5.4 (2.0-11.9) | <.01a | 0 (0) |
| Female | 236 (49) | 19 (40) | 217 (50) | .212 | 0 (0) |
| Diagnosis before colectomy | .798 | 0 (0) | |||
| UC | 468 (97) | 46 (98) | 422 (97) | ||
| IBD-U | 13 (3) | 1 (2) | 12 (27) | ||
| Age at diagnosis, y | 28.7 (20.6-37.6) | 24.6 (18.8-32.3) | 29.5 (20.7-38.0) | .036a | 60 (12) |
| Disease duration at time of colectomy, y | 4.1 (1.5-8.0) | 3.3 (1.2-5.8) | 4.1 (1.5-8.3) | .126 | 62 (13) |
| Histology report resection specimenb | .051 | 94 (19) | |||
| Fitting UC | 289 (60) | 29 (62) | 260 (60) | ||
| Indeterminate | 63 (13) | 5 (11) | 58 (13) | ||
| Fitting CD | 35 (7) | 8 (17) | 27 (6) | ||
| Colectomy setting | .963 | 74 (15) | |||
| Elective | 253 (53) | 25 (53) | 228 (53) | ||
| (Semi)urgent | 154 (32) | 15 (32) | 139 (32) | ||
| Age at time of IPAA y | 35.9 (27.9-44.7) | 30.3 (23.3-38.4) | 36.7 (28.4-45.4) | <.01a | 0 (0) |
| Stages IPAA surgery | .737 | 3 (1) | |||
| 1 | 140 (29) | 15 (32) | 125 (29) | ||
| 2 | 80 (17) | 10 (21) | 70 (16) | ||
| Modified 2 | 213 (44) | 18 (38) | 195 (45) | ||
| 3 | 45 (9) | 4 (9) | 41 (9) | ||
| Smoking | .345 | 149 (31) | |||
| No | 260 (54) | 14 (30) | 246 (57) | ||
| Previously | 25 (5) | 3 (6) | 22 (5) | ||
| Yes | 47 (10) | 4 (9) | 43 (10) | ||
| Pouch excision during follow-up | 18 (4) | 6 (13) | 12 (3) | <.01a | 0 (0) |
Values are median (interquartile range) or n (%).
Abbreviations: CD, Crohn’s disease; CDP, Crohn’s disease of the pouch; IBD-U, inflammatory bowel disease unclassified; IPAA, ileal pouch–anal anastomosis; UC, ulcerative colitis.
aDenotes that P value reaches statistical significance.
bDerived from colonic (n = 336) or rectal stump (n = 51) specimen histopathology reports.
| . | All patients (N = 481) . | CDP (n = 47) . | No CDP (n = 434) . | P value . | Missing . |
|---|---|---|---|---|---|
| Postoperative follow-up, y | 6.2 (2.3-13.5) | 22.9 (12.1-27.4) | 5.4 (2.0-11.9) | <.01a | 0 (0) |
| Female | 236 (49) | 19 (40) | 217 (50) | .212 | 0 (0) |
| Diagnosis before colectomy | .798 | 0 (0) | |||
| UC | 468 (97) | 46 (98) | 422 (97) | ||
| IBD-U | 13 (3) | 1 (2) | 12 (27) | ||
| Age at diagnosis, y | 28.7 (20.6-37.6) | 24.6 (18.8-32.3) | 29.5 (20.7-38.0) | .036a | 60 (12) |
| Disease duration at time of colectomy, y | 4.1 (1.5-8.0) | 3.3 (1.2-5.8) | 4.1 (1.5-8.3) | .126 | 62 (13) |
| Histology report resection specimenb | .051 | 94 (19) | |||
| Fitting UC | 289 (60) | 29 (62) | 260 (60) | ||
| Indeterminate | 63 (13) | 5 (11) | 58 (13) | ||
| Fitting CD | 35 (7) | 8 (17) | 27 (6) | ||
| Colectomy setting | .963 | 74 (15) | |||
| Elective | 253 (53) | 25 (53) | 228 (53) | ||
| (Semi)urgent | 154 (32) | 15 (32) | 139 (32) | ||
| Age at time of IPAA y | 35.9 (27.9-44.7) | 30.3 (23.3-38.4) | 36.7 (28.4-45.4) | <.01a | 0 (0) |
| Stages IPAA surgery | .737 | 3 (1) | |||
| 1 | 140 (29) | 15 (32) | 125 (29) | ||
| 2 | 80 (17) | 10 (21) | 70 (16) | ||
| Modified 2 | 213 (44) | 18 (38) | 195 (45) | ||
| 3 | 45 (9) | 4 (9) | 41 (9) | ||
| Smoking | .345 | 149 (31) | |||
| No | 260 (54) | 14 (30) | 246 (57) | ||
| Previously | 25 (5) | 3 (6) | 22 (5) | ||
| Yes | 47 (10) | 4 (9) | 43 (10) | ||
| Pouch excision during follow-up | 18 (4) | 6 (13) | 12 (3) | <.01a | 0 (0) |
| . | All patients (N = 481) . | CDP (n = 47) . | No CDP (n = 434) . | P value . | Missing . |
|---|---|---|---|---|---|
| Postoperative follow-up, y | 6.2 (2.3-13.5) | 22.9 (12.1-27.4) | 5.4 (2.0-11.9) | <.01a | 0 (0) |
| Female | 236 (49) | 19 (40) | 217 (50) | .212 | 0 (0) |
| Diagnosis before colectomy | .798 | 0 (0) | |||
| UC | 468 (97) | 46 (98) | 422 (97) | ||
| IBD-U | 13 (3) | 1 (2) | 12 (27) | ||
| Age at diagnosis, y | 28.7 (20.6-37.6) | 24.6 (18.8-32.3) | 29.5 (20.7-38.0) | .036a | 60 (12) |
| Disease duration at time of colectomy, y | 4.1 (1.5-8.0) | 3.3 (1.2-5.8) | 4.1 (1.5-8.3) | .126 | 62 (13) |
| Histology report resection specimenb | .051 | 94 (19) | |||
| Fitting UC | 289 (60) | 29 (62) | 260 (60) | ||
| Indeterminate | 63 (13) | 5 (11) | 58 (13) | ||
| Fitting CD | 35 (7) | 8 (17) | 27 (6) | ||
| Colectomy setting | .963 | 74 (15) | |||
| Elective | 253 (53) | 25 (53) | 228 (53) | ||
| (Semi)urgent | 154 (32) | 15 (32) | 139 (32) | ||
| Age at time of IPAA y | 35.9 (27.9-44.7) | 30.3 (23.3-38.4) | 36.7 (28.4-45.4) | <.01a | 0 (0) |
| Stages IPAA surgery | .737 | 3 (1) | |||
| 1 | 140 (29) | 15 (32) | 125 (29) | ||
| 2 | 80 (17) | 10 (21) | 70 (16) | ||
| Modified 2 | 213 (44) | 18 (38) | 195 (45) | ||
| 3 | 45 (9) | 4 (9) | 41 (9) | ||
| Smoking | .345 | 149 (31) | |||
| No | 260 (54) | 14 (30) | 246 (57) | ||
| Previously | 25 (5) | 3 (6) | 22 (5) | ||
| Yes | 47 (10) | 4 (9) | 43 (10) | ||
| Pouch excision during follow-up | 18 (4) | 6 (13) | 12 (3) | <.01a | 0 (0) |
Values are median (interquartile range) or n (%).
Abbreviations: CD, Crohn’s disease; CDP, Crohn’s disease of the pouch; IBD-U, inflammatory bowel disease unclassified; IPAA, ileal pouch–anal anastomosis; UC, ulcerative colitis.
aDenotes that P value reaches statistical significance.
bDerived from colonic (n = 336) or rectal stump (n = 51) specimen histopathology reports.
This PDF is available to Subscribers Only
View Article Abstract & Purchase OptionsFor full access to this pdf, sign in to an existing account, or purchase an annual subscription.
