Table 2.
Risk for readmission based on diagnostic ICD-9 codes
| Total | No. of patients readmitted (%) |
No. of patients not readmitted (%) |
P value | |
|---|---|---|---|---|
| Disease of the esophagus | 105 | 4 (4) | 101 (96) | |
| Malignant neoplasm of the colon | 145 | 9 (6) | 136 (94) | |
| Benign neoplasm of digestive | 125 | 7 (6) | 118 (94) | |
| Malignant neoplasm of the pancreas | 108 | 8 (7) | 100 (93) | |
| Obesity or hyperalimentation | 173 | 12 (7) | 161 (93) | |
| Cholelithiasis | 130 | 9 (7) | 121 (93) | |
| Hernia in the abdominal cavity with obstruction |
101 | 8 (8) | 93 (92) | |
| All other diagnoses | 1,583 | 127 (8) | 1,456 (92) | |
| Hernia in the abdominal cavity without obstruction |
192 | 17 (9) | 175 (91) | |
| Diverticula of the intestine | 123 | 11 (9) | 112 (91) | |
| Malignant neoplasm of the rectum, rectosigmoid junction, and anus |
150 | 15 (10) | 135 (90) | |
| Other disorders of the intestine | 134 | 15 (11) | 119 (89) | |
| Intestinal obstruction | 161 | 19 (12) | 142 (88) | |
| Attention to colostomy/ileostomy | 203 | 28 (14) | 175 (86) | |
| Ulcerative colitis | 123 | 30 (24) | 93 (76) | <.001 |
ICD = International Statistical Classification of Disease.