Table 2 Demographic/Clinical/Dialysis-Related Features of the Sample
From: Nocturnal sleep, daytime sleepiness, and quality of life in stable patients on hemodialysis
Demographic Variables | Mean (SD*) or n** | Median | Range |
|---|---|---|---|
Age | 51.6 (10.8) | 52.0 | 32.0 to 74.0 |
Gender (n) | Â | Â | Â |
• Males | 24 |  |  |
• Females | 22 |  |  |
Race (n) | Â | Â | Â |
• Black | 36 | -- | -- |
• White | 10 |  |  |
Marital Status (n) | Â | Â | Â |
• Married | 27 | -- | -- |
• Divorced | 4 |  |  |
• Single | 15 |  |  |
Years of Education | 12.3 (2.0) | 12.0 | 7.0 to 18.0 |
Clinical Variables | Â | Â | Â |
Etiology of Renal Failure (n) | Â | Â | Â |
• Diabetes | 15 | -- | -- |
• Hypertension | 22 |  |  |
• Glomerulonephritis | 3 |  |  |
• Other | 6 |  |  |
BUN (mg/dL) | 65.0 (16.8) | 63.0 | 39.3 to 105.0 |
Creatinine (mg/dL) | 12.0 (2.8) | 12.4 | 3.6 to 17.5 |
Sodium (meq/L) | 139.9 (3.0) | 139.5 | 132.3 to 147.3 |
Potassium (meq/L) | 4.9 (0.7) | 4.6 | 3.8 to 6.4 |
CO2 (meq/L) | 20.6 (2.8) | 20.7 | 13.8 to 27.7 |
Calcium (mg/dL) | 9.5 (0.8) | 9.6 | 7.5 to 11.4 |
Phosphorous (mg/dL) | 5.4 (1.5) | 5.3 | 2.8 to 10.5 |
Hematocrit (%) | 35.8 (3.2) | 36.2 | 28.9 to 43.2 |
Ferritin (μ/L) | 549.1 (394.3) | 515.0 | 13.4 to 1764.0 |
PTH (pg/ml) | 222.9 (197.7) | 184.5 | 13.0 to 1144.0 |
Body Mass Index (kg/m2) | 26.8 (5.6) | 26.8 | 17.0 to 40.1 |
• Black Males (n = 18) | 25.8 (5.1) |  | 18.8 to 36.8 |
• Black Females (n = 18) | 28.0 (5.8) |  | 17.0 to 40.1 |
• White Males (n = 6) | 25.3 (6.1) |  | 20.7 to 36.6 |
• White Females (n = 4) | 27.3 (7.1) |  | 18.3 to 35.5 |
Days hospitalized | 2.2 (3.3) | 0 | 0 to 12 |
Dialysis Variables | Â | Â | Â |
Kt/V | 1.5 (0.3) | 1.5 | 1.1 to 2.6 |
Treatment time (minutes) | 219.0 (24.1) | 220.0 | 165.0 to 270.0 |
Shift | Â | Â | Â |
• 1 | 18 | -- | -- |
• 2 | 13 |  |  |
• 3 | 15 |  |  |
Months on HD | 37.5 (36.0) | 28.5 | 5.0 to 184.0 |