Comparison of the Atlanta classification, scores, and clinical outcomes with groups
| Variables | All | N-HbA1c | H-HbA1c | ||||
| (N=441) | All (N=247) | Previous undiagnosed diabetes (n=237) | Previous diagnosed diabetes (n=10) | All (N=194) | Previous undiagnosed diabetes (n=79) | Previous diagnosed diabetes (n=115) | |
| Atlanta classification | |||||||
| MAP, n (%) | 309 (70.1) | 205 (83) | 196 (82.7) | 9 (90) | 104 (53.6)** | 52 (65.8) | 52 (45.2)** |
| MSAP, n (%) | 89 (20.2) | 29 (11.7) | 28 (11.8%) | 1 (10) | 60 (30.9)** | 16 (20.3) | 44 (38.3)** |
| SAP, n (%) | 43 (9.8) | 13 (5.3) | 13 (5.5) | 0 | 30 (15.5) | 11 (13.9) | 19 (16.5) |
| Scores | |||||||
| CTSI (mean±SD) | 2.2±1.1 | 2.1±1.0 | 2.1±1.0 | 1.8±0.8 | 2.5±1.2*** | 2.5±1.1 | 2.5±1.2 |
| RANSON score (IQR) | 1 (0–2) | 1 (0–1) | 1 (0–1) | 1 (0–1.3) | 1 (1–2)*** | 1 (0–2) | 1 (1–2)*** |
| BISAP score (IQR) | 0 (0–1) | 0 (0–1) | 0 (0–1) | 0.5 (0–1) | 0.5 (0–1)** | 0 (0–1) | 1 (0–1)** |
| Outcome | |||||||
| SIRS, n (%) | 78 (17.7) | 34 (13.8) | 34 (14.3) | 0 | 44 (22.7)* | 14 (17.7) | 30 (26.1)* |
| LC, n (%) | 93 (21.1) | 38 (15.4) | 37 (15.6) | 1 (10) | 55 (28.4)** | 19 (24.1) | 36 (31.3)** |
| OF, n (%) | 82 (18.6) | 17 (6.9) | 17 (7.2) | 0 | 65 (33.5)*** | 17 (21.5) | 46 (40)*** |
Results are expressed as n (%) or mean±SD or IQR.
N-HbA1c vs H-HbA1c,.*p<0.05, **p<0.01,***p<0.001. N-HbA1c (previous undiagnosed diabetes or previous diagnosed diabetes) versus H-HbA1c (previous undiagnosed diabetes or previous diagnosed diabetes).
BISAP, bedside index of severity in acute pancreatitis; CTSI, CT severity index; HbA1c, glycosylated hemoglobin A1c; H-HbA1c, high serum HbA1c; LC, local complication; MAP, mild acute pancreatitis; MSAP, moderately severe acute pancreatitis; N-HbA1c, normal serum HbA1c; OF, organ failure; SAP, severe acute pancreatitis; SIRS, systemic infammatory response syndrome.