Table 6. Patients’ Characteristics at Making PEG Stratified by the Improvement of Pneumonia.
| Variable | Total (N = 777) | Improved (N = 557) | Not improved (N = 220) | P-value |
|---|---|---|---|---|
| Age (years) mean ± s.d. | 82.1 ± 9.0 | 82.1 ± 9.3 | 81.9 ± 8.4 | 0.73*1 |
| Body Temperature (°C) mean ± s.d. | 36.8 ± 0.6 | 36.8 ± 0.6 | 36.8 ± 0.6 | 0.79*1 |
| WBC (/µL) | 7101 ± 2745 | 7222 ± 2847 | 6797 ± 2454 | 0.08*2 |
| CRP (mg/dL) | 2.01 ± 2.45 | 2.00 ± 2.43 | 2.05 ± 2.04 | 0.85*2 |
| Hb (g/dL) | 11.0 ± 1.9 | 11.0 ± 1.8 | 10.9 ± 2.0 | 0.47*2 |
| ALT(IU/L) | 30.7 ± 29.5 | 30.6 ± 30.7 | 30.7 ± 26.4 | 0.60*2 |
| BUN (mg/dL) | 21.5 ± 13.4 | 21.3 ± 12.7 | 21.8 ± 14.9 | 0.63*2 |
| Cr (mg/dL) | 0.84 ± 1.15 | 0.85 ± 1.17 | 0.83 ± 1.09 | 0.92*2 |
| Albumin (g/dL) | 2.98 ± 0.58 | 2.97 ± 0.54 | 3.01 ± 0.68 | 0.69*2 |
| Total cholesterol (mg/dL) | 155.5 ± 40.3 | 154.5 ± 40.1 | 158.1 ± 40.8 | 0.29*2 |
| male | 343 (44%) | 240 (43%) | 103 (46%) | 0.38*3 |
| Previous history of pneumonia | 628 (81%) | 480 (86%) | 148 (69%) | <0.001*3 |
| Hypertension | 315 (41%) | 225 (41%) | 90 (41%) | 0.99*3 |
| Dyslipidemia | 73 (10%) | 61 (11%) | 12 (6%) | 0.015*3 |
| Arteriosclerosis obliterans | 28 (3.8%) | 19 (3.6%) | 9 (4.2%) | 0.70*3 |
| Able to take perorally | 270 (35%) | 188 (34%) | 82 (38%) | 0.29*3 |
| Diabetes | 113 (15%) | 93 (17%) | 20 (9%) | 0.006*3 |
| Previous history of cardiovascular disease | 121 (16%) | 98 (18%) | 23 (11%) | 0.01*3 |
| Extremely poor nutritional status | 158 (21%) | 106 (20%) | 52 (24%) | 0.20*3 |
| Fasting period prior to operation | ||||
| None | 170 (29%) | 130 (32%) | 40 (24%) | |
| Within one week | 244 (42%) | 147 (36% | 97 (57%) | |
| Within one month | 159 (27%) | 130 (32%) | 29 (17%) | |
| More than one month | ||||
| Alzheimer’s dementia | 248 (32%) | 182 (33%) | 66 (30%) | 0.45*3 |
| Cerebrovascular dementia | 484 (62%) | 340 (61%) | 144 (65%) | 0.28*3 |
| Dementia with Lewy bodies | 13 (1.7%) | 10 (1.8%) | 3 (1.4%) | 0.67*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.