Table 1.
Characteristics of patients with bowel obstruction and small bowel volvulus.*
| Demographics | Bowel Obstruction (%) | Volvulus (%) | P-value |
|---|---|---|---|
| Total Patients | 2,063,457 | 20,680 | |
| Age, mean (sd), years | 64.6 (17.8) | 66.0 (19.4) | <0.0001 |
| Sex | 0.039 | ||
| Female | 1,153,682 (55.89%) | 11,696 (56.60%) | |
| Male | 910,682 (44.11%) | 8,970 (43.30%) | |
| Race | <0.0001 | ||
| White | 1,212,965 (76.35%) | 12,167 (75.34%) | |
| Black | 195,071 (12.28%) | 2,218 (13.73%) | |
| Hispanic | 110,579 (6.96%) | 1,058 (6.55%) | |
| Asian or Pacific Islander | 30,988 (1.95%) | 299 (1.85%) | |
| Indian/Other | 38,999 (2.46%) | 408 (2.53%) | |
| Insurance | <0.0001 | ||
| Medicare | 1,168,594 (56.70%) | 12,255 (59.38%) | |
| Medicaid | 147,270 (7.15%) | 1,238 (6.00%) | |
| Private | 624,037 (30.28%) | 5,863 (28.41%) | |
| Self-pay | 644,330 (3.12%) | 762 (3.69%) | |
| No charge | 6,515 (0.32%) | 65 (0.31%) | |
| Other | 50,376 (2.44%) | 456 (2.21%) | |
| Charlson Comorbidity Index | <0.0001 | ||
| 0 | 846,468 (40.98%) | 10,601 (51.26%) | |
| 1-2 | 661,957 (32.05%) | 6,800 (32.88%) | |
| ≥3 | 557,174 (26.97%) | 3,279 (15.86%) | |
| Presentation | <0.0001 | ||
| Emergent | 1,436,630 (78.15%) | 16,322 (89.24%) | |
| Elective | 401,560 (21.85%) | 1,968 (10.76%) | |
| Hospital Type | |||
| Urban | 1,740,835 (84.28%) | 17,061 (82.50%) | <0.0001 |
| Teaching | 833,369 (40.48%) | 8,267 (40.12%) | 0.295 |
| Rural | 324,764 (15.72%) | 3,619 (17.50%) | <0.0001 |
| Management | |||
| Non-operative | 1,683,036 (81.48%) | 7,194 (34.79%) | <0.0001 |
| Operative | 382,563 (18.42%) | 13,486 (65.21%) | <0.0001 |
| Adhesiolysis | 261,446 (12.66%) | 6,709 (32.44%) | <0.0001 |
| Small bowel resection | 101,397 (4.91%) | 4,954 (23.96%) | <0.0001 |
| Manipulation | 6,542 (0.32%) | 2,763 (12.26%) | <0.0001 |
| Dilation | 19,849 (0.96%) | 2,451 (11.85%) | <0.0001 |
| Small bowel surgery | 75,182 (3.64%) | 2,021 (9.77%) | <0.0001 |
| Destruction of peritoneal tissue | 34,578 (1.67%) | 888 (4.29%) | <0.0001 |
| Laparoscopic | 36,777 (1.78%) | 855 (4.13%) | <0.0001 |
| Exploratory laparotomy | 22,070 (1.07%) | 544 (2.63%) | <0.0001 |
| Ladds | 1,709 (0.08%) | 72 (0.35%) | <0.0001 |
| Small bowel pexy | 579 (0.03%) | 68 (0.33%) | <0.0001 |
| Presentations of acute abdomen | |||
| Acute vascular insufficiency | 50,801 (2.46%) | 3,510 (16.97%) | <0.0001 |
| Peritonitis | 39,599 (1.92%) | 639 (3.09%) | <0.0001 |
| Coagulopathy | 24,913 (1.21%) | 265 (1.28%) | 0.318 |
| Malrotation | 1,745 (0.08%) | 169 (0.82%) | <0.0001 |
| Pneumoperitoneum | 4,911 (0.24%) | 85 (0.41%) | <0.0001 |
| Mortality | |||
| In-hospital mortality | 115,730 (5.61%) | 1,637 (7.92%) | <0.0001 |
| Admission to death time, mean (sd), days | 14.1 (17.5) | 8.11 (11.6) | <0.0001 |
*
Percentages are based upon the denominator of available data.