Table 2.
Univariate analysis of factors associated with readmission in Crohn’s disease patients
| Variables |
No readmission
(n = 101) |
Readmission
(n = 264) |
P value |
|---|---|---|---|
| Age: Median (IQR) | 37.36 (26.29) | 37.01 (21.11) | 0.37 |
| Race | 0.27 | ||
| Asian | 0.73% (2) | 0.00% (0) | |
| Black or African American | 12.73% (35) | 10.55% (29) | |
| Some other race only | 0.36% (1) | 0.36% (1) | |
| White or Caucasian | 49.45% (136) | 25.82% (71) | |
| Ethnicity | 0.49 | ||
| Hispanic or Latino | 6.91% (19) | 3.27% (9) | |
| Not Hispanic or Latino | 54.55% (150) | 33.09% (91) | |
| Unknown | 1.82% (5) | 0.36% (1) | |
| Gender | 0.03 | ||
| Female | 38.18% (105) | 17.45% (48) | |
| Male | 25.09% (69) | 19.27% (53) | |
| Smoking status | 0.96 | ||
| Every day | 13.93% (34) | 7.79% (19) | |
| Former | 20.08% (49) | 10.66% (26) | |
| Heavy smoker | 0.41% (1) | 0.00% (0) | |
| Light smoker | 2.05% (5) | 1.64% (4) | |
| Never | 25.82% (63) | 13.93% (34) | |
| Never assessed | 0.41% (1) | 0.00% (0) | |
| Some days | 2.05% (5) | 1.23% (3) | |
| Length of stay | 0.08 | ||
| <3 days | 12.73% (35) | 5.45% (15) | |
| <7 days | 38.55% (106) | 21.82% (60) | |
| >1 week | 9.82% (27) | 5.45% (15) | |
| >2 weeks | 2.18% (6) | 4.00% (11) | |
| Congestive heart failure | 0.67 | ||
| No | 62.18% (171) | 35.64% (98) | |
| Yes | 1.09% (3) | 1.09% (3) | |
| COPD | 0.24 | ||
| No | 61.09% (168) | 34.18% (94) | |
| Yes | 2.18% (6) | 2.55% (7) | |
| Psychiatric conditions | 0.01 | ||
| No | 40.73% (112) | 17.82% (49) | |
| Yes | 22.55% (62) | 18.91% (52) | |
| Opioid use | 0.10 | ||
| No | 53.82% (148) | 28.36% (78) | |
| Yes | 9.45% (26) | 8.36% (23) | |
| ICU stay | 1.00 | ||
| No | 62.36% (169) | 35.06% (95) | |
| Yes | 1.85% (5) | 0.74% (2) | |
| TPN use | 0.07 | ||
| No | 61.45% (169) | 33.82% (93) | |
| Yes | 1.89% (5) | 2.91% (8) | |
| Inpatient steroid use | 0.20 | ||
| No | 22.91% (63) | 10.55% (29) | |
| Yes | 40.36% (111) | 26.18% (72) | |
| Surgical procedure during hospitalization | 0.15 | ||
| No | 50.18% (138) | 31.64% (87) | |
| Yes | 13.09% (36) | 5.09% (14) | |
| HAI or VTE | 0.006 | ||
| No | 63.14% (173) | 35.04% (96) | |
| Yes | 0.00% (0) | 1.82% (5) | |
| Steroid use prior to admission | 0.03 | ||
| No | 53.09% (146) | 26.91% (74) | |
| Yes | 10.18% (28) | 9.82% (27) | |
| Biologic use prior to admission | 0.53 | ||
| No | 32.00% (88) | 20.00% (55) | |
| Yes | 31.27% (86) | 16.73% (46) | |
| Immunomodulator prior to admission | 0.15 | ||
| No | 50.91% (140) | 32.00% (88) | |
| Yes | 12.36% (34) | 4.73% (13) | |
| Prednisone on discharge | 0.14 | ||
| No | 29.45% (81) | 13.82% (38) | |
| Yes | 33.82% (93) | 22.91% (63) | |
| Biologic planned on discharge | 0.91 | ||
| No | 30.91% (85) | 18.18% (50) | |
| Yes | 32.36% (89) | 18.55% (51) | |
| Immunomodulator on discharge | 0.43 | ||
| No | 50.18% (138) | 30.55% (84) | |
| Yes | 13.09% (36) | 6.18% (17) | |
| Disposition | 0.09 | ||
| AMA | 0.00% (0) | 0.73% (2) | |
| Home | 61.68% (169) | 34.31% (94) | |
| SNF | 1.09% (3) | 1.82% (5) | |
| Transferred | 0.36% (1) | 0.00% (0) | |
| Mention of follow-up on discharge summary | 0.23 | ||
| No | 10.18% (28) | 4.00% (11) | |
| Yes | 53.09% (146) | 32.73% (90) | |
| GI follow-up | 0.02 | ||
| 1-week GI follow-up | 8.00% (22) | 4.00% (11) | |
| 2-week GI follow-up | 11.27% (31) | 5.45% (15) | |
| 3-week GI follow-up | 9.45% (26) | 3.27% (9) | |
| 4-week GI follow-up | 18.55% (51) | 7.64% (21) | |
| No GI follow-up | 16.00% (44) | 16.36% (45) | |
| PCP follow-up | 0.65 | ||
| 1-week PCP follow-up | 19.13% (34) | 6.91% (19) | |
| 2-week PCP follow-up | 11.91% (23) | 3.64% (10) | |
| 3-week PCP follow-up | 6.14% (12) | 1.82% (5) | |
| 4-week PCP follow-up | 4.33% (9) | 1.09% (3) | |
| No PCP follow-up | 58.48% (96) | 23.27% (64) | |
| Lost to follow-up | 0.34 | ||
| No | 54.55% (150) | 33.09% (91) | |
| Yes | 8.73% (24) | 3.64% (10) | |
| Time to readmission | <0.001 | ||
| 1 week | 0.36% (1) | 7.94% (12) | |
| 2 weeks | 0.00% (0) | 6.55% (18) | |
| 30 days | 0.73% (2) | 6.91% (19) | |
| 31–60 days | 0.00% (0) | 8.00% (22) | |
| 61–90 days | 0.00% (0) | 4.73% (13) | |
| No readmission | 64.98% (171) | 64.98% (8) | |
| CD-related readmission | <0.001 | ||
| No | 62.91% (173) | 12.73% (35) | |
| Yes | 0.36% (1) | 24.00% (66) |
AMA indicates against medical advice; COPD, chronic obstructive pulmonary disease; GI, gastroenterology; HAI, hospital-acquired infection; ICU, intensive care unit; IQR, interquartile range; PCP, primary care physician; SNF, skilled nursing facility; TPN, total parental nutrition; VTE, venous thromboembolism.