Table 3.
Kidney Disease Quality of Life Short Form Questionnaire scores in CKD patients and hemoglobin (Hgb) levels (unadjusted)
| Instrument/Parameter | Hgb
|
P | |||
|---|---|---|---|---|---|
| <11 | 11 to <12 | 12 to <13 | ≥13 | ||
| N | 229 | 223 | 221 | 284 | N/A |
| KDQOL | |||||
| kidney disease component summary | 72.2 | 74.4 | 74.0 | 77.3 | 0.0006 |
| symptom problem | 77.4 | 78.7 | 78.8 | 83.9 | <0.0001 |
| effects kidney disease | 80.6 | 81.4 | 81.8 | 86.6 | 0.0003 |
| burden kidney disease | 67.3 | 74.1 | 72.0 | 75.1 | 0.0069 |
| work status | 40.7 | 42.5 | 45.6 | 52.0 | 0.0017 |
| cognitive function | 83.9 | 83.5 | 83.2 | 85.2 | 0.6008 |
| quality social interaction | 80.2 | 83.5 | 80.7 | 81.0 | 0.1730 |
| sexual function | 82.3 | 85.4 | 78.3 | 85.7 | 0.2464 |
| sleep | 63.3 | 64.8 | 62.8 | 67.4 | 0.0559 |
| social support | 83.1 | 82.8 | 83.6 | 83.3 | 0.9873 |
| SF-36 | |||||
| mental component summary | 48.9 | 50.1 | 50.3 | 50.5 | 0.3924 |
| physical component summary | 37.1 | 40.0 | 38.3 | 42.5 | <0.0001 |
| physical functioning | 49.8 | 56.5 | 51.9 | 64.3 | <0.0001 |
| role—physical | 40.1 | 51.6 | 47.5 | 61.7 | <0.0001 |
| pain | 66.1 | 70.7 | 64.0 | 71.8 | 0.0041 |
| general health | 43.5 | 46.2 | 46.8 | 52.9 | <0.0001 |
| emotional well being | 71.8 | 75.7 | 74.7 | 75.8 | 0.0869 |
| role—emotional | 67.6 | 72.6 | 69.9 | 78.6 | 0.0118 |
| social function | 70.0 | 76.3 | 73.9 | 79.1 | 0.0013 |
| energy/fatigue | 43.6 | 48.2 | 48.7 | 52.4 | 0.0005 |
KDQofL, Kidney Disease Quality of Life questionnaire; SF-36, short form of the KDQofL that includes 36 generic items.