Table 2 Vital signs at admission to hospital and blood tests taken within 24 h of admission
Pre-existing hypertension | |||||
|---|---|---|---|---|---|
Characteristic | N | Overall, N = 9197 | No, N = 4754 (51.7%) | Yes, N = 4443 (48.3%) | p value |
Systolic blood pressure, mmHg | 7384 | 131 (117, 146) | 129 (116, 143) | 134 (119, 150) | <0.001 |
Diastolic blood pressure, mmHg | 7384 | 76 (66, 85) | 76 (67, 85) | 76 (66, 86) | 0.6 |
Pulse, beats/min | 7469 | 89 (77, 101) | 90 (79, 102) | 88 (76, 100) | <0.001 |
Respiratory rate, breaths/min | 7192 | 21 (18, 25) | 20 (18, 25) | 21 (18, 25) | 0.8 |
Oxygen saturation, % | 7466 | 95 (93, 97) | 95 (93, 97) | 95 (92, 97) | <0.001 |
Temperature, °C | 7387 | 37.50 (36.80, 38.30) | 37.60 (36.80, 38.40) | 37.50 (36.70, 38.30) | <0.001 |
C-reactive protein, mg/dL | 7531 | 82 (36, 154) | 83 (37, 156) | 82 (36, 151) | 0.2 |
Haemoglobin, mmol/L | 7597 | 8.20 (7.30, 9.00) | 8.30 (7.40, 9.10) | 8.10 (7.20, 8.90) | <0.001 |
Platelets, 10^9/L | 7215 | 211 (162, 278) | 213 (163, 276) | 209 (160, 279) | 0.5 |
White blood cells, 10^9/L | 7694 | 7.1 (5.1, 9.8) | 7.0 (5.0, 9.6) | 7.2 (5.3, 10.1) | <0.001 |
