Table 1 Baseline characteristics of the patients
Characteristics | ALL | NAR quartile | P | Miss value (n, %) | |||
|---|---|---|---|---|---|---|---|
Overall (n = 3350) | < 0.15 (n = 838) | 0.15–0.21 (n = 837) | 0.21–0.30 (n = 837) | > 0.30 (n = 838) | |||
Demographics | |||||||
Age, years, mean (SD) | 57.91 (14.71) | 58.65 (14.78) | 57.80 (14.51) | 59.19 (14.93) | 56.01 (14.45) | < 0.001 | 0( 0.00) |
Female, n (%) | 1107 (33.0) | 296 (35.3) | 266 (31.8) | 265 (31.7) | 280 (33.4) | 0.341 | 0( 0.00) |
Smoking, n (%) | 0.447 | 0( 0.00) | |||||
Never | 2283 (68.1) | 562 (67.1) | 557 (66.5) | 587 (70.1) | 577 (68.9) | ||
Current | 889 (26.5) | 224 (26.7) | 230 (27.5) | 215 (25.7) | 220 (26.3) | ||
Ever | 178 ( 5.3) | 52 ( 6.2) | 50 ( 6.0) | 35 ( 4.2) | 41 ( 4.9) | ||
Alcohol, n (%) | 1040 (31.0) | 252 (30.1) | 274 (32.7) | 258 (30.8) | 256 (30.5) | 0.658 | 0( 0.00) |
Medical history, n (%) | 0( 0.00) | ||||||
Hypertension | 2396 (71.5) | 549 (65.5) | 613 (73.2) | 612 (73.1) | 622 (74.2) | < 0.001 | |
Diabetes | 341 (10.2) | 96 (11.5) | 73 ( 8.7) | 85 (10.2) | 87 (10.4) | 0.324 | |
SBP, mmHg, mean (SD) | 162.00 (32.45) | 156.71 (29.48) | 161.99 (30.12) | 165.36 (32.55) | 163.96 (36.53) | < 0.001 | 25( 0.7) |
Hematoma characteristics | |||||||
Intraventricular hematoma, n (%) | 807 (24.1) | 143 (17.1) | 187 (22.3) | 227 (27.1) | 250 (29.8) | < 0.001 | 0( 0.00) |
Size of hematoma, cm, mean (SD) | 23.73 (27.27) | 15.68 (19.89) | 22.23 (28.36) | 26.58 (27.70) | 30.16 (29.68) | < 0.001 | 415(12.4) |
Infratentorial hematoma, n (%) | 622 (18.6) | 105 (12.5) | 164 (19.6) | 174 (20.8) | 179 (21.4) | < 0.001 | 0( 0.00) |
GCS score, mean (SD) | 10.81 (4.12) | 13.19 (2.98) | 11.58 (3.72) | 10.11 (3.95) | 8.35 (4.10) | < 0.001 | 0( 0.00) |
Laboratory tests, mean (SD) | |||||||
Neutrophil count, 109/L | 8.84 (4.35) | 4.43 (1.26) | 7.15 (1.17) | 9.56 (1.66) | 14.22 (4.28) | < 0.001 | 0( 0.00) |
White blood cell count, 109/L | 10.78 (10.38) | 6.42 (4.51) | 8.77 (1.48) | 11.13 (1.89) | 16.81 (18.60) | < 0.001 | 0( 0.00) |
Blood glucose, mmol/L | 7.68 (3.31) | 6.49 (2.57) | 7.25 (2.72) | 8.14 (3.08) | 8.84 (4.14) | < 0.001 | 58( 1.7) |
Albumin, g/L | 37.97 (5.90) | 39.40 (4.79) | 38.92 (5.09) | 37.92 (5.79) | 35.63 (6.97) | < 0.001 | 0( 0.00) |
C-reactive protein, mg/L | 82.11 (88.49) | 47.10 (70.95) | 68.43 (82.60) | 85.21 (86.89) | 103.52 (94.43) | < 0.001 | 2760(82.4) |
D-dimer, µg/L | 3.69 (9.13) | 1.88 (3.98) | 2.67 (4.97) | 4.48 (13.90) | 5.02 (8.54) | < 0.001 | 1924(57.4) |
Platelet, 109/L | 156.02 (71.17) | 149.44 (61.30) | 153.79 (63.96) | 154.60 (66.60) | 166.27 (88.52) | < 0.001 | 0( 0.00) |
Lymphocyte count, 109/L | 1.08 (0.72) | 1.26 (0.63) | 1.07 (0.78) | 0.94 (0.53) | 1.04 (0.85) | < 0.001 | 0( 0.00) |