Table 2.
Intra‐abdominal pressure classification and outcome in 301 patients
| IAP | ||||||
|---|---|---|---|---|---|---|
| Normal (n =27) | Grade I (n = 55) | Grade II (n = 109) | Grade III (n = 78) | Grade IV (n = 32) | P † | |
| Shock | 7 (26) | 33 (60) | 75 (69·8) | 56 (72) | 24 (75) | < 0·001 |
| Renal failure | 15 (56) | 33 (60) | 66 (60·6) | 60 (77) | 27 (84) | < 0·001 |
| CRRT | 0 (0) | 12 (22) | 31 (28·4) | 34 (44) | 21 (66) | < 0·001 |
| Respiratory failure | 10 (37) | 32 (58) | 76 (69·7) | 55 (71) | 28 (88) | 0·007 |
| Mechanical ventilation | 5 (19) | 29 (53) | 62 (56·9) | 53 (68) | 27 (84) | 0·007 |
| Infected necrosis | 3 (11) | 9 (16) | 30 (27·5) | 32 (41) | 9 (28) | 0·005 |
| Surgery | 5 (19) | 15 (27) | 28 (25·7) | 35 (45) | 16 (50) | 0·006 |
| Decompressive laparotomy | 0 (0) | 0 (0) | 0 (0) | 3 (4) | 6 (19) | |
| Nutrition | 0·009 | |||||
| None | – | 9 (16) | 32 (29·4) | 16 (21) | 6 (19) | |
| Enteral | – | 22 (40) | 26 (23·9) | 15 (19) | 6 (19) | |
| Parenteral | – | 23 (42) | 45 (41·3) | 43 (55) | 19 (59) | |
| Enteral and parenteral | – | 1 (2) | 6 (5·5) | 4 (5) | 1 (3) | |
| ICU LOS (days)* | 5 (3–7) | 6 (3–14·3) | 10 (5–27) | 18 (6·8–32·3) | 11 (3·5–25) | < 0·001‡ |
| Hospital LOS (days)* | 15 (12–26) | 22 (13–38) | 24 (14–43) | 30 (8–59) | 17 (8–29) | < 0·001‡ |
| Mortality | 1 (4) | 11 (20) | 33 (30·3) | 31 (40) | 21 (66) | < 0·001 |
| Cause of death | < 0·001 | |||||
| Initial SIRS | 0 (0) | 5 of 11 (45) | 13 of 33 (39) | 7 of 31 (23) | 7 of 21 (33) | |
| Pancreatic infection | 0 (0) | 2 of 11 (18) | 4 of 33 (12) | 9 of 31 (29) | 7 of 21 (33) | |
| Non‐pancreatic infection | 0 (0) | 1 of 11 (9) | 7 of 33 (21) | 3 of 31 (10) | 2 of 21 (10) | |
| Other | 1 of 1 (100) | 3 of 11 (27) | 9 of 33 (27) | 12 of 31 (39) | 5 of 21 (24) | |
Values in parentheses are percentages unless indicated otherwise;
*
values are median (i.q.r.). CRRT, continuous renal replacement therapy; LOS, length of stay; SIRS, systemic inflammatory response syndrome.
†
χ2 test, except ‡Mann–Whitney U test.