Characteristic mean ± SD, no. %), or median (IQR) | Total | Non hemodialysis- related headache | Hemodialysis-related headache | P value |
---|---|---|---|---|
No. of patients | 92 | 84 | 8 | - |
Age (year) | 59.3 ± 17.5 | 60.4 ± 17.5 | 47.9 ± 12.8 | 0.052 |
Male | 56 (60.9) | 51 (60.7) | 5 (62.5) | 1.000 |
History of cerebro-vascular diseases | 13 (14.1) | 13 (15.5) | 0 (0.0) | 0.503 |
Dialysis vintage (month) | 27.1 (12.0–46.2) | 27.1 (12.3–46.2) | 27.8 (5.3–44.6) | 0.618 |
URR (%) | 65.1 ± 10.9 | 64.7 ± 11.2 | 68.5 ± 8.3 | 0.351 |
Predialysis blood biochemistry examination | ||||
Hemoglobin (g/L) | 111.1 ± 20.6 | 111.1 ± 21.0 | 111.6 ± 16.7 | 0.944 |
Albumin (g/L) | 42.1 ± 4.3 | 41.9 ± 4.4 | 43.7 ± 2.6 | 0.270 |
Sodium (mmol/L) | 138.9 ± 3.1 | 138.9 ± 3.1 | 138.5 ± 2.9 | 0.702 |
Potassium (mmol/L) | 4.9 ± 0.6 | 4.9 ± 0.6 | 4.9 ± 0.9 | 0.994 |
Calcium (mmol/L) | 2.2 ± 0.2 | 2.2 ± 0.2 | 2.3 ± 0.3 | 0.937 |
Magnesium (mmol/L) | 1.0 ± 0.2 | 1.0 ± 0.2 | 1.1 ± 0.1 | 0.461 |
Mean vital signs at hemodialysis-0 h for 12 dialysis sessions | ||||
Pulse (beats/min) | 81.2 ± 9.4 | 81.4 ± 9.5 | 79.5 ± 9.3 | 0.599 |
SBP (mmHg) | 137.9 ± 15.1 | 136.7 ± 14.2 | 150.1 ± 19.6 | 0.016 |
DBP (mmHg) | 74.6 ± 12.0 | 73.5 ± 11.1 | 86.5 ± 15.4 | 0.050 |
SpO2 (%) | 97.2 ± 0.7 | 97.2 ± 0.7 | 97.3 ± 0.6 | 0.782 |
Mean hourly variability of vital signs during dialysis | ||||
Pulse-ARV | 2.9 ± 1.3 | 2.9 ± 1.3 | 3.1 ± 1.0 | 0.647 |
SBP-ARV | 5.6 ± 2.4 | 5.5 ± 2.3 | 6.1 ± 2.8 | 0.495 |
DBP-ARV | 3.7 ± 1.6 | 3.7 ± 1.5 | 3.9 ± 2.3 | 0.673 |
SpO2-ARV | 0.3 ± 0.2 | 0.4 ± 0.2 | 0.2 ± 0.1 | 0.044 |
Blood gas analysis | ||||
pH (%) | 742.2 ± 4.9 | 742.2 ± 4.9 | 742.5 ± 5.1 | 0.840 |
pCO2 (mmHg) | 39.0 ± 4.8 | 38.9 ± 4.7 | 39.6 ± 5.8 | 0.693 |
Base excess (mmol/L) | 0.8 ± 1.8 | 0.8 ± 1.8 | 1.3 ± 2.1 | 0.498 |
HCO3- (mmol/L) | 25.4 ± 2.1 | 25.4 ± 2.1 | 26.0 ± 1.8 | 0.382 |
Sodium (mmol/L) | 137.7 ± 1.9 | 137.7 ± 1.8 | 136.8 ± 2.2 | 0.156 |
Potassium (mmol/L) | 3.6 ± 0.5 | 3.6 ± 0.5 | 3.3 ± 0.7 | 0.138 |
Ion calcium (mmol/L) | 1.2 ± 0.1 | 1.2 ± 0.1 | 1.2 ± 0.1 | 0.773 |
Glucose (mmol/L) | 5.9 ± 2.1 | 5.9 ± 2.1 | 5.5 ± 2.3 | 0.553 |
|OH/DW|a (%) | 132.9 (73.8–211.8) | 132.0 (73.8–204.5) | 243.5 (74.5–538.2) | 0.329 |