Variables | Oct 2009 cohort (nā=ā308) | Full cohort (nā=ā8398)ā | Autumn cohort (nā=ā2184)ā | Winter cohort (nā=ā3478)ā | Summer cohort (nā=ā2736)ā | ||||
---|---|---|---|---|---|---|---|---|---|
Resultsā” | p-valueĀ§vs. Oct 2009 | Resultā” | p-valueĀ§vs. Oct 2009 | Resultā” | p-valueĀ§vs. Oct 2009 | Resultā” | p-valueĀ§vs. Oct 2009 | ||
Age | Ā | Ā | Ā | Ā | Ā | Ā | Ā | Ā | Ā |
n (%) | 258 (84) | 8280 (99) | Ā | 2162 (99) | Ā | 3444 (99) | Ā | 2674 (98) | Ā |
Mean (SD) | 78.3 (11.9) | 76.3 (13.0) | 0.01Ā§ | 76.5 (12.7) | 0.03Ā§ | 76.5 (12.8) | 0.02Ā§ | 75.9 (nā=ā2674) | <ā0.01Ā§ |
Median (IQR) | 80 (72-87) | 79 (70-86) | 0.19Ļ | 79 (70-86) | 0.36Ļ | 79 (69-86) | 0.20Ļ | 79 (69-85) | 0.11Ļ |
Gender | Ā | Ā | 0.06Ā„ | Ā | 0.04Ā„ | Ā | 0.05Ā„ | Ā | 0.18Ā„ |
Female | 172 (56) | 4121 (51) | Ā | 1050 (50) | Ā | 1699 (50) | Ā | 1372 (52) | Ā |
Male | 134 (44) | 3998 (49) | Ā | 1057 (50) | Ā | 1682 (50) | Ā | 1259 (48) | Ā |
Pre-stroke residence | Ā | Ā | 0.60Ā¶ | Ā | 0.31Ā¶ | Ā | 0.74Ā¶ | Ā | 0.47Ā¶ |
Home | 276 (92) | 5231 (90) | Ā | 1533 (89) | Ā | 2115 (90) | Ā | 1583 (89) | Ā |
Care home | 22 (7) | 531 (9) | Ā | 169 (10) | Ā | 192 (8) | Ā | 170 (10) | Ā |
Other | 3 (1) | 69 (1) | Ā | 12 (1) | Ā | 37 (2) | Ā | 20 (1) | Ā |
Pre-stroke Rankin | Ā | Ā | 0.07Ā¶ | Ā | 0.08Ā¶ | Ā | 0.05Ā¶ | Ā | 0.13Ā¶ |
0 | 128 (50) | 2501 (52) | Ā | 750 (51) | Ā | 981 (51) | Ā | 770 (53) | Ā |
1 | 54 (21) | 813 (17) | Ā | 245 (17) | Ā | 342 (18) | Ā | 226 (15) | Ā |
2 | 20 (8) | 572 (12) | Ā | 175 (12) | Ā | 236 (12) | Ā | 161 (11) | Ā |
3 | 28 (11) | 545 (11) | Ā | 167 (11) | Ā | 210 (11) | Ā | 168 (11) | Ā |
4 | 23 (9) | 322 (7) | Ā | 97 (7) | Ā | 112 (6) | Ā | 113 (8) | Ā |
5 | 2 (1) | 103 (2) | Ā | 33 (2) | Ā | 42 (2) | Ā | 28 (2) | Ā |
Weekend | Ā | Ā | 0.36Ā„ | Ā | 0.59Ā„ | Ā | 0.31Ā„ | Ā | 0.32Ā„ |
Yes | 84 (27) | 2096 (25) | Ā | 564 (26) | Ā | 857 (25) | Ā | 675 (25) | Ā |
No | 224 (73) | 6302 (75) | Ā | 1620 (74) | Ā | 2621 (75) | Ā | 2061 (75) | Ā |
Time of admission | Ā | Ā | 0.63Ā„ | Ā | 0.73Ā„ | Ā | 0.35Ā„ | Ā | 0.99Ā„ |
0900 to 1700 | 164 (53) | 4045 (48) | Ā | 1140 (52) | Ā | 1755 (50) | Ā | 1458 (53) | Ā |
1700 to 0900 | 144 (47) | 4353 (52) | Ā | 1044 (48) | Ā | 1723 (50) | Ā | 1278 (47) | Ā |
Prior atrial fibrillation | Ā | Ā | 0.10Ā„ | Ā | 0.10Ā„ | Ā | 0.16Ā„ | Ā | 0.09Ā„ |
Yes | 68 (35) | 1123 (29) | Ā | 347 (29) | Ā | 407 (30) | Ā | 369 (29) | Ā |
No | 127 (65) | 2710 (71) | Ā | 850 (71) | Ā | 952 (70) | Ā | 908 (71) | Ā |
Type of stroke | Ā | Ā | 0.23Ā„ | Ā | 0.06Ā„ | Ā | 0.36Ā„ | Ā | 0.43Ā„ |
Ischaemic | 260 (89) | 6533 (87) | Ā | 1777 (85) | Ā | 2657 (87) | Ā | 2099 (88) | Ā |
Haemorrhagic | 31 (11) | 980 (13) | Ā | 307 (15) | Ā | 380 (13) | Ā | 293 (12) | Ā |
OCSP classification | Ā | Ā | 0.01Ā„ | Ā | 0.06Ā„ | Ā | 0.01Ā„ | Ā | 0.01Ā„ |
LACS | 58 (23) | 1195 (25) | Ā | 360 (25) | Ā | 480 (26) | Ā | 355 (24) | Ā |
PACS | 116 (47) | 1815 (38) | Ā | 566 (39) | Ā | 694 (38) | Ā | 555 (38) | Ā |
TACS | 52 (21) | 1012 (21) | Ā | 324 (22) | Ā | 373 (20) | Ā | 315 (21) | Ā |
POCS | 22 (9) | 711 (15) | Ā | 200 (14) | Ā | 277 (15) | Ā | 234 (16) | Ā |
NIHSS | Ā | Ā | Ā | Ā | Ā | Ā | Ā | Ā | Ā |
n (%) | 46 (15) | 1843 (22) | <0.01Ā§ | 584 (27) | <0.01Ā§ | 691 (20) | <0.01Ā§ | 568 (21) | <0.01Ā§ |
Mean (SD) | 11.1 (7.3) | 7.6 (6.6) | <0.01Ļ | 7.7 (6.8) | <0.01Ļ | 7.5 (6.4) | <0.01Ļ | 7.6 (6.7) | <0.01Ļ |
Median (IQR) | 10 (5-16) | 6 (2-12) | Ā | 5 (2-12) | Ā | 6 (3-12) | Ā | 6 (2-12) | Ā |
Systolic BP | Ā | Ā | Ā | Ā | Ā | Ā | Ā | Ā | Ā |
n (%) | 301 (98) | 7021 (84) | Ā | 1853 (85) | Ā | 2951 (85) | Ā | 2217 (81) | Ā |
Mean (SD) | 155 (29) | 158 (31) | 0.09Ā§ | 158 (31) | 0.16Ā§ | 159 (31) | 0.05Ā§ | 158 (30) | 0.14Ā§ |
Median (IQR) | 152 (135-175) | 155 (137-178) | 0.10Ļ | 155 (136-179) | 0.13Ļ | 157 (138-178) | 0.03Ļ | 154 (137-177) | 0.54Ļ |
Thrombolysis | Ā | Ā | 0.10Ā„ | Ā | 0.08Ā„ | Ā | 0.08Ā„ | Ā | 0.17Ā„ |
Yes | 5 (2) | 294 (4) | Ā | 128 (4) | Ā | 128 (4) | Ā | 85 (4) | Ā |
No | 252 (98) | 7008 (96) | Ā | 2910 (96) | Ā | 2910 (96) | Ā | 2275 (96) | Ā |