Table 1 Demographic and clinical characteristics of study populations.
From: Seasonal variability of lesions distribution in acute ischemic stroke: A retrospective study
Variables | All (n = 1488) | Spring (n = 387) | Summer (n = 425) | Autumn (n = 331) | Winter (n = 345) | Overall p |
|---|---|---|---|---|---|---|
Age (years) | 70.7(11.6) | 70.9 (11.5) | 69.9 (11.3) | 71.98 (11.6) | 70.4 (11.9) | 0.163 |
Male (%) | 913 (61.4) | 233 (25.5) | 262 (28.7) | 210 (23.0) | 208 (22.8) | 0.80 |
Hypertension (%) | 1201 (80.7) | 318 (26.5) | 349 (29.1) | 261 (21.7) | 273 (22.7) | 0.501 |
Diabetes, (%) | 585 (39.3) | 157 (26.8) | 176 (30.1) | 116 (19.8) | 136 (23.2) | 0.312 |
Stroke (%) | 409 (27.5) | 108 (26.4) | 122 (29.8) | 77 (18.8) | 102 (24.9) | 0.255 |
CHD (%) | 290 (19.5) | 69 (23.8) | 68 (23.4) | 93 (32.1)a | 60 (20.7) | < 0.001 |
AF (%) | 209 (14.0) | 54 (25.8) | 57 (27.3) | 55 (26.3) | 43 (20.6) | 0.445 |
Hyperlipemia (%) | 140 (9.4) | 18 (12.9)a | 52 (37.1) | 45 (31.2)a | 25 (17.9)a | < 0.001 |
Drinking (%) | 347 (23.3) | 81 (23.3) | 92 (26.5) | 90 (25.9) | 84 (24.2) | 0.181 |
Smoking (%) | 558 (37.5) | 142 (25.4) | 156 (28.0) | 127 (22.8) | 133 (23.8) | 0.921 |
SDP (mmHg) | 154 (22) | 155 (23) | 152 (22) | 154 (23) | 154 (21) | 0.115 |
DBP (mmHg) | 87 (14) | 88 (14) | 87 (14) | 86 (14) | 88 (15) | 0.167 |
NIHSS | 3 (1, 7) | 3 (1, 8) | 2(1, 5) | 2(1, 6) | 3(1, 8) | 0.05 |
Severity level | < 0.001 | |||||
Minor (%) | 1020 (68.5) | 256 (25.1)a | 323 (31.7) | 232 (22.7)a | 209 (20.5)a | |
Mild (%) | 271 (18.2) | 73 (26.9)a | 60 (22.1) | 53 (19.6) | 85 (31.4)a | |
Moderate (%) | 94 (6.3) | 31 (33.0)a | 14 (14.9) | 22 (23.4)a | 27 (28.7)a | |
Severe (%) | 103 (6.9) | 27 (26.2) | 28 (27.2) | 24 (23.3) | 24 (23.3) | |
Stroke subtypes | 0.015 | |||||
LAA (%) | 604 (40.6) | 156 (25.8)a | 149 (24.7) | 140 (23.2)a | 159 (26.3)a | |
CE (%) | 308 (20.7) | 71 (23.1)a | 100 (32.5) | 78 (25.3)a | 59 (19.2)a | |
SAO (%) | 576 (38.7) | 160 (27.8)a | 176 (30.6) | 113 (19.6)a | 127 (22.0)a | |
FBG (mmol/L) | 7.19 (3.2) | 7.11 (2.9) | 7.20 (3.2) | 6.95 (3.3) | 7.54 (3.8) | 0.116 |
TG (mmol/L) | 1.58 (1.0) | 1.64 (1.2) | 1.54 (0.8) | 1.50 (0.8) | 1.64 (1.2) | 0.103 |
TC (mmol/L) | 4.79 (1.2) | 4.92 (1.2)a | 4.67 (1.2) | 4.74 (1.2) | 4.83 (1.2)a | 0.021 |
LDL (mmol/L) | 3.07 (1.0) | 3.16 (0.9) | 3.02 (0.9) | 3.03 (1.0) | 3.10 (1.0) | 0.140 |
HDL (mmol/L) | 1.13 (0.3) | 1.14 (0.3) | 1.10 (0.3) | 1.14 (0.3) | 1.14 (0.3) | 0.100 |
PLT (× 109/L) | 217 (176, 246) | 218 (177, 243) | 214 (175, 248) | 214 (173, 238) | 217 (178, 257) | 0.174 |
Fibrinogen (g/L) | 3.4 (2.7, 3.7) | 3.4 (2.7, 3.9)a | 3.2 (2.6, 3.5) | 3.4 (2.7, 3.7) | 3.4 (2.7, 3.7)a | 0.018 |
