Table 2.
Mean SF-36 scores by time since diagnosis and disease stage in chronic kidney disease patients (N = 98).
| TIME SINCE DIAGNOSIS Mean(SD) |
DISEASE STAGE Mean(SD) |
||||
|---|---|---|---|---|---|
| SF-36 DIMENSIONSa |
|||||
| ≤3 years (N = 21) |
>3 years (N = 77) |
Pre-dialysis (N = 79) |
Dialysis (N = 19) |
Total (N = 98) |
|
| PCSb | 51.97(7.06) | 45.24(8.18) *** | 48.32(7.40) | 39.87(8.99) *** | 46.68(8.39) |
| MCSc | 45.20(10.15) | 47.75(10.54) | 47.52(10.25) | 45.90(11.48) | 47.20(10.46) |
| Physical functioning | 82.61(18.61) | 74.67(18.99) * | 80.44(15.19) | 59.47(24.31) *** | 76.37(19.10) |
| Role/Physical | 59.52(42.18) | 74.35(36.49) | 73.42(35.65) | 61.84(46.67) | 71.17(38.05) |
| Bodily pain | 94.33(13.53) | 71(28.22) *** | 79.59(23.63) | 61.05(36.76) * | 76.00(27.46) |
| General health | 67.95(19.73) | 50.53(17.92) *** | 57.48(18.92) | 40.89(16.77) ** | 54.26(19.58) |
| Vitality | 63.33(23.62) | 59.87(20.35) | 61.77(20.20) | 55.78(24.10) | 60.61(21.02) |
| Social functioning | 86.90(16.52) | 72.07(24.90) ** | 77.84(22.37) | 64.47(28.34) | 75.25(24.07) |
| Role/Emotional | 58.73(37.86) | 74.02(36.52) | 74.68(34.26) | 54.38(44.73) | 70.74(37.15) |
| Mental Health | 64.76(18.57) | 69.76(20.31) | 68.75(19.73) | 68.42(21.49) | 68.69(19.97) |
a Lower scores indicate worse health; bPCS: Physical Component Summary score; cMCS: Mental Component Summary score
*p <.05, **p <.01 and ***p <.001, Mann-Whitney U test for comparisons of ranked scores.