Characteristic | Overall (n = 442) | Success (n = 189) | Failure (n = 253) | P-value |
---|---|---|---|---|
Age (years) | 68 (57 − 76) | 67 (54 − 75) | 68 (59 − 77) | 0.19 |
Sex, n (%) | ||||
 Male | 265 (60) | 103 (23) | 162 (37) | 0.049 |
 Female | 177 (40) | 86 (19) | 91 (21) |  |
Height (cm) | 162 (154 − 168) | 160 (153 − 168) | 162 (155 − 168) | 0.20 |
Weight (kg) | 58 (48 − 66) | 58 (48 − 65) | 58 (50 − 67) | 0.45 |
Body mass index (kg/m2) | 22.4 (19.8 − 24.9) | 22.4 (19.8 − 24.7) | 22.4 (19.8 − 25.2) | 0.92 |
Fluid balance from baseline (kg) | 2.3 (0.4 − 4.8) | 2.5 (0.6 − 0.9) | 2.1 (0.2 − 4.6) | 0.30 |
SOFA score | 10 (7 − 13) | 10 (7 − 12) | 10 (7 − 13) | 0.87 |
Serum albumin (g/dL) | 2.7 (2.3 − 3.1) | 2.7 (2.2 − 3.1) | 2.8 (2.3 − 3.2) | 0.12 |
Position of the stomach | L1 − L2 (T12 − L1 to L2 − L3) | L1 − L2 (T12 − L1 to L2 − L3) | L1 − L2 (T12 − L1 to L2 − L3) | 0.06 |
Use of sedatives, n (%) | ||||
 No | 49 (11) | 25 (13) | 24 (9) | 0.22 |
 Yes | 393 (89) | 164 (87) | 229 (91) |  |
Use of a vasopressor, n (%) | 307 (69) | 132 (70) | 175 (69) | 0.92 |
Fentanyl dose (µg/hour) | 20 (10 − 20) | 20 (0 − 20) | 20 (10 − 25) | 0.38 |
Right lateral position, n (%) | 169 (38) | 75 (40) | 94 (37) | 0.69 |
Use of a prokinetic agent, n (%) | 22 (5) | 11 (6) | 11 (4) | 0.51 |
Presence of intestinal peristalsis, n (%) | 116 (26) | 58 (30) | 58 (23) | 0.08 |
Degree of experience, n (%) | ||||
 Junior resident | 84 (19) | 34 (18) | 50 (20) | 0.45 |
 Senior resident | 47 (11) | 23 (12) | 24 (10) |  |
 Fellow | 107 (24) | 41 (22) | 66 (26) |  |
 Specialist | 21 (5) | 10 (5) | 11 (4) |  |
 Missing values | 183 (41) | 81 (43) | 102 (40) |  |
Diabetes mellitus, n (%) | 92 (21) | 36 (19) | 56 (22) | 0.48 |
Renal replacement therapy, n (%) | 50 (11) | 16 (8) | 34 (13) | 0.13 |
Use of cardiac assist devices, n (%) | 36 (8) | 13 (7) | 23 (9) | 0.48 |
Post-cardiac surgery, n (%) | 180 (41) | 69 (37) | 111 (44) | 0.14 |
Hematology, n (%) | 43 (10) | 20 (11) | 23 (9) | 0.63 |
Respiratory disease, n (%) | 114 (26) | 52 (28) | 62 (25) | 0.51 |