Table 3A: Univariate analysis of patients' characteristics between optimal and suboptimal caloric intake in week 2 (days 8-14).
| Variables | Met ≥ 90% of caloric target (N = 7) | Met < 90% of caloric target (N = 26) | Sig. P value |
| Gender (Male/Female) | 6/1 | 22/4 | P = 0.718 |
| Age (IQR) | 38 (28-53) | 49.5 (28-65.5) | P = 0.308 |
| BMI | 24.8 ± 4.3 | 25.5 ± 4.5 | P = 0.706 |
| APACHE II | 32.2 ± 11.8 | 27 ± 7.7 | P = 0.281 |
| Injury Severity Score (ISS) | 31.8 ± 23.3 23 (16.25-56) |
27 ± 12.7 25 (17.25-32.5) |
P = 1.000 |
| Penn State equation target (Kcal/day) | 1935.7 ± 392 | 1995.4 ± 437 | P = 0.682 |
| Prescribed protein target (gram/day) | 103 ± 21.1 | 114.4 ± 28.3 | P = 0.352 |
| Average calories delivered in 2nd week | 1994.7 ± 436 | 1304.8 ± 665 | P = 0.021* |
| Average protein delivered in 2nd week | 113.7 ± 22.7 | 73 ± 44.4 | P = 0.027* |
| Average calories delivered in 14 days | 1590 ± 318 | 1126 ± 418 | P = 0.008* |
| Day of start TPN | 2.7 ± 1.4 | 4.8 ± 3 | P = 0.090 |
| Day of start EN | 7.5 ± 3.5 | 5.2 ± 3 | P = 0.286 |
| Early feeding ≤ 4 days | 85.7% (6/7) | 73.1% (19/26) | P = 0.444 |
| TPN | 71.4% (5/7) | 33.3% (8/24) | P = 0.087 |
| EN | 0% (0/7) | 25% (6/24) | P = 0.183 |
*(Penn State equation).