Table 2. Comparisons of baseline characteristics of subjects enrolled in the two stages (continuous variables).
| Mean (overall) | SD (overall) | Mean (stage 1) | SD (stage 1) | Mean (stage 2) | SD (stage 2) | p | |
|---|---|---|---|---|---|---|---|
| Age (years) | 64.71 | 16.93 | 65.01 | 17.13 | 64.30 | 16.70 | 0.033 |
| BMI (kg/m2) | 22.75 | 3.64 | 23.02 | 3.37 | 22.39 | 3.96 | 0.262 |
| NRS2002 | 3.67 | 0.97 | 3.71 | 1.02 | 3.60 | 0.91 | 0.013 |
| Energy goal (kcal) | 1632.18 | 340.64 | 1691.93 | 374.62 | 1551.25 | 268.87 | 0.154 |
| EN proportion* | 33.49 | 22.61 | 31.57 | 22.18 | 36.56 | 23.08 | 0.176 |
| Minimum glucose | 7.29 | 2.46 | 7.33 | 2.71 | 7.25 | 2.10 | 0.952 |
| Maximum glucose | 11.55 | 3.84 | 11.36 | 4.18 | 11.80 | 3.35 | 0.151 |
| APACHEII | 18.58 | 7.44 | 18.48 | 7.16 | 18.71 | 7.85 | 0.233 |
| SOFA | 5.90 | 3.63 | 5.63 | 3.39 | 6.34 | 3.95 | 0.277 |
Abbreviations: BMI: body mass index; NRS: nutrition risk score; EN: enteral nutrition; APACHEII: Acute Physiology and Chronic Health Evaluation II; SOFA: sequential organ failure assessment.
Note:
* EN proportion refers the the proportion of energy intake administered via gastrointestinal tract.