TABLE 3.
Comparison of Subjects With and Without AP-related DM Within 30 Days of Discharge for Index Admission AP: Analysis of the Nationwide Readmission Database 2010–2014
| AP without DM (n=42,177) |
AP-related DM (n=641) |
||
|---|---|---|---|
| n (%) | n (%) | P | |
| Patient Demographics and Hospital Characteristics | |||
| Age (mean ± SE), y | 53.10 ± 0.18 | 56.65 ± 1.11 | 0.002 |
| Age | 0.001 | ||
| 18 – 49 | 19,329 (45.83) | 218 (34.03) | |
| 50 – 64 | 11,912 (28.24) | 200 (31.21) | |
| ≥65 | 10,936(25.93) | 223 (34.75) | |
| Male Sex | 19,761 (46.85) | 304 (47.37) | 0.879 |
| Income (National Quartile) | 0.005 | ||
| First | 14,094 (34.02) | 256 (40.38) | |
| Second | 10,478 (25.29) | 173 (27.21) | |
| Third | 9319 (22.49) | 145 (22.89) | |
| Fourth | 7542 (18.20) | 60 (9.53) | |
| Type of Insurance | 0.037 | ||
| Medicare | 16,948 (40.27) | 315 (49.13) | |
| Medicaid | 10,233 (24.31) | 130 (20.35) | |
| Private | 8782 (20.87) | 128 (20.02) | |
| Other | 6125 (14.55) | 67 (10.49) | |
| AHRQ-Elixhauser Index | 0.004 | ||
| < 3 | 16,474 (39.06) | 189 (29.50) | |
| ≥ 3 | 25,704 (60.94) | 452 (70.50) | |
| Etiology and Associations of AP | 0.103 | ||
| Gallstone Related | 7073 (16.77) | 107 (16.75) | |
| Alcohol Related | 12,817 (30.39) | 160 (24.95) | |
| Components of Metabolic Syndrome* | 364 (0.86) | 12 (1.84) | |
| Other | 21,923 (51.98) | 362 (56.47) | |
| Severe AP | 7079 (16.78) | 173 (27.01) | <0.001 |
| Recurrent AP | 12,025 (28.51) | 232 (36.14) | 0.013 |
| Type of Hospital | 0.083 | ||
| Urban Non-teaching | 17,659 (41.87) | 308 (48.13) | |
| Urban Teaching | 19,313 (45.79) | 242 (37.80) | |
| Rural | 5205 (12.34) | 90 (14.07) | |
| Hospital Size | 0.954 | ||
| Small | 6126 (14.52) | 93 (14.47) | |
| Medium | 10,219 (24.23) | 161 (25.15) | |
| Large | 25,833 (61.25) | 387 (60.37) | |
| LOS (mean ± SE), d | 5.24 ± 0.05 | 7.54 ± 0.67 | 0.001 |
| LOS | 0.001 | ||
| <7 days | 32,729 (77.60) | 432 (67.41) | |
| ≥7 days | 9449 (22.40) | 209 (32.59) | |
| Complications of Pancreatitis | |||
| Sepsis | 1072 (2.54) | 27 (4.21) | 0.128 |
| Intra-abdominal infections | 196 (0.46) | ≤10 (≤1.56) | 0.095 |
| Cyst and pseudocyst of pancreas | 1735 (4.11) | 41 (6.38) | 0.132 |
| Procedures | |||
| Any ERCP | 2673 (6.34) | 45 (6.97) | 0.724 |
| Cholecystectomy | 2146 (5.09) | 43 (6.75) | 0.223 |
| Percutaneous biliary procedures | 180 (0.43) | ≤10 (≤1.56) | 0.773 |
| Open biliary procedures | 92 (0.22) | ≤10 (≤1.56) | 0.200 |
| Any surgical pancreatic procedure | 1020 (2.42) | 14 (2.20) | 0.805 |
*
Non-diabetic components of metabolic syndrome (obesity, high triglycerides, high blood pressure)
AP: acute pancreatitis; DM: diabetes mellitus; SE: standard error; AHRQ: Agency for Healthcare Research and Quality; LOS: length of stay; ERCP: endoscopic retrograde cholangiopancreatography
In cooperation with the AHRQ Heathcare Cost and Utilization Project (HCUP) data use agreement, observation values 1–10 are not reported to avoid risk of unintentional identification of individual subjects.