Table 2 Nutrition therapy of study patients
|  | Total n = 1322 |
|---|---|
Nutrition process during the first week | |
 Time to start EN, day | 2 (1–2) |
 Patients receiving EN within 48 h after ICU admission | 1004 (75.9) |
 Patients receiving prokinetic agents | 279 (21.1) |
Route to start EN | |
 Gastric feeding | 1211 (91.6) |
 Post-pyloric feeding | 111 (8.4) |
Mean energy and protein delivery after enrollment during the first week | |
 Energy delivery, kcal/day | 928.6 (654.3–1214.3) |
 Energy delivery, kcal/kg/day | 14.6 (10.3–19.6) |
 Adequacy of energy delivery, % | 58.5 (41.3–78.3) |
 Protein delivery, g/day | 36.7 (25.7–48) |
 Protein delivery, g/kg/day | 0.6 (0.4–0.8) |
 Adequacy of protein delivery, % | 44 (31.2–59) |