Table 4. Patients’ Characteristics at Making PEG Stratified by the Improvement of Peroral Intake.
| Variable | Total (N = 961) | Improved (N = 177) | Not improved (N = 784) | P-value |
|---|---|---|---|---|
| (Age years) mean ± s.d. | 81.7 ± 9.3 | 80.6 ± 11.1 | 82.0 ± 8.8 | 0.07*1 |
| Body Temperature (°C) mean ± s.d. | 36.8 ± 0.6 | 36.8 ± 0.6 | 36.8 ± 0.6 | 0.12*1 |
| WBC ( /µL) | 7041 ± 2702 | 6869 ± 2364 | 7080 ± 2773 | 0.62*2 |
| CRP (mg/dL) | 1.90 ± 2.38 | 1.69 ± 2.08 | 1.95 ± 2.45 | 0.39*2 |
| Hb (g/dL) | 11.6 ± 1.9 | 11.1 ± 2.1 | 11.1 ± 1.9 | 0.99*2 |
| ALT (IU/L) | 30.4 ± 28.7 | 29.6 ± 34.7 | 30.6 ± 27.2 | 0.13*2 |
| BUN (mg/dL) | 21.5 ± 13.8 | 21.3 ± 14.9 | 21.5 ± 13.7 | 0.94*2 |
| Cr (mg/dL) | 0.83 ± 1.16 | 0.70 ± 0.36 | 0.84 ± 1.20 | 0.09*2 |
| Albumin (g/dL) | 3.02 ± 0.57 | 3.03 ± 0.46 | 3.02 ± 0.58 | 0.52*2 |
| Total cholesterol (mg/dL) | 157.5 ± 40.6 | 160.7 ± 37.1 | 157.2 ± 40.8 | 0.14*2 |
| male | 396 (41%) | 66 (37%) | 330 (42%) | 0.24*3 |
| Previous history of pneumonia | 645 (68%) | 107 (62%) | 538 (70%) | 0.051*3 |
| Hypertension | 389 (41%) | 78 (45%) | 311 (40%) | 0.29*3 |
| Dyslipidemia | 88 (10%) | 30 (17%) | 58 (8%) | < 0.001*3 |
| Arteriosclerosis obliterans | 31 (3.4%) | 8 (4.7%) | 23 (3.1%) | 0.29*3 |
| Able to take perorally | 350 (37%) | 95 (54%) | 255 (33%) | < 0.001*3 |
| Diabetes | 150 (16%) | 35 (20%) | 115 (15%) | 0.093*3 |
| Previous history of cardiovascular disease | 152 (16%) | 29 (17%) | 123 (16%) | 0.80*3 |
| Extremely poor nutritional status | 189 (20%) | 39 (22%) | 147 (19%) | 0.34*3 |
| Fasting period prior to operation | 0.11*3 | |||
| None | 216 (30%) | 46 (34%) | 170 (29%) | |
| Within one week | 316 (43%) | 65 (47%) | 251 (42%) | |
| Within one month | 188 (26%) | 25 (18%) | 163 (27%) | |
| More than one month | 12 (1.6%) | 1 (0.7%) | 11 (1.9%) | |
| Alzheimer’s dementia | 310 (32%) | 76 (43%) | 234 (30%) | 0.001*3 |
| Cerebrovascular dementia | 610 (63%) | 95 (53%) | 515 (65%) | 0.003*3 |
| Dementia with Lewy bodies | 18 (1.9%) | 2 (1.1%) | 16 (2.0%) | 0.42*3 |
*1. Student’s t-test was applied because the distribution was considered as normal. *2. Mann-Whitney U test was applied because the distribution was considered as not normal. *3. Chi-square test was applied.