Table 2.
Association of baseline characteristics with PCS and MCS at 1 year after study initiation
| Characteristics | PCS at 1 year |
MCS at 1 year |
||
|---|---|---|---|---|
| Mean difference (95% CI) | P-value | Mean difference (95% CI) | P-value | |
| Group | ||||
| 2 (versus 1) | 1.42 (0.17–2.68) | 0.03 | 2.53 (0.92–4.14) | 0.002 |
| 3 (versus 1) | 1.94 (0.65–3.23) | 0.003 | 2.20 (0.45–3.95) | 0.01 |
| Age per 1 year | −0.09 (−0.14 to −0.04) | <0.001 | 0.02 (−0.05–0.08) | 0.58 |
| Male (versus female) | −0.39 (−1.62–0.83) | 0.53 | −0.29 (−1.82–1.23) | 0.71 |
| Dialysis vintage per 1 year | −0.08 (−0.14 to −0.01) | 0.02 | 0.02 (−0.07–0.10) | 0.73 |
| BMI per 1 kg/m2 | −0.02 (−0.17–0.14) | 0.84 | −0.003 (−0.19–0.18) | 0.97 |
| Primary cause of ESRD | ||||
| Chronic glomerulonephritis (versus diabetes) | 0.20 (−1.87–2.27) | 0.85 | −1.35 (−4.21–1.51) | 0.36 |
| Hypertension (versus diabetes) | 1.81 (−1.24–4.87) | 0.25 | −0.62 (−4.22–2.97) | 0.73 |
| Others (versus diabetes) | 0.42 (−2.08–2.91) | 0.74 | −1.23 (−4.40–1.95) | 0.45 |
| Comorbidity | ||||
| Diabetes yes (versus no) | −0.54 (−2.82–1.73) | 0.64 | −0.19 (−2.87–2.49) | 0.89 |
| Cardiovascular disease yes (versus no) | −0.35 (−1.78–1.08) | 0.63 | −0.55 (−2.17–1.08) | 0.51 |
| Pulmonary disease yes (versus no) | 1.32 (−2.16–4.80) | 0.46 | 1.78 (−2.25–5.81) | 0.39 |
| Cerebrovascular disease yes (versus no) | 1.01 (−1.62–3.64) | 0.45 | 0.31 (−3.00–3.62) | 0.85 |
| Peripheral vascular disease yes (versus no) | −0.98 (−3.16–1.19) | 0.38 | 0.73 (−1.94–3.40) | 0.59 |
| Malignancy yes (versus no) | −0.70 (−2.33–0.93) | 0.4 | −2.83 (−5.21 to −0.45) | 0.02 |
| Laboratory data at baseline | ||||
| Hemoglobin per 1 g/dL | 0.12 (−0.45–0.68) | 0.68 | 0.13 (−0.48–0.73) | 0.68 |
| Creatinine per 1 mg/dL | 0.20 (−0.08–0.47) | 0.17 | 0.12 (−0.21–0.46) | 0.47 |
| Albumin per 1 g/dL | 1.27 (−0.58–3.12) | 0.18 | 1.05 (−1.02–3.11) | 0.32 |
| CRP per 1 mg/dL | −0.41 (−1.03–0.22) | 0.2 | −0.12 (−0.96–0.72) | 0.78 |
| SF-12 score at baseline | ||||
| PCS per 1 | 0.49 (0.42–0.55) | <0.001 | – | |
| MCS per 1 | – | – | 0.54 (0.47–0.62) | <0.001 |
Group 1: patients were driven to their dialysis facility by someone else; Group 2: patients drove to their dialysis facility themselves; Group 3: patients went to their dialysis facility on foot or via public transportation.
P < 0.05 is in bold.