Skip to main content

Table 1 Comparison of stroke patientsā€™ characteristics admitted between one month* and over 2 years** and during autumn, winter and summer months***to eight NHS Trusts in the East of England

From: Similarity of patient characteristics and outcomes in consecutive data collection on stroke admissions over one month compared to longer periods

Variables

Oct 2009 cohort (nā€‰=ā€‰308)

Full cohort (nā€‰=ā€‰8398)ā€ 

Autumn cohort (nā€‰=ā€‰2184)ā€ 

Winter cohort (nā€‰=ā€‰3478)ā€ 

Summer cohort (nā€‰=ā€‰2736)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€‰=ā€‰2674)

<ā€‰0.01Ā§

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 
  1. Abbreviations: SD standard deviation, IQR interquartile range, NIHSS National Institute of Health Stroke Score, OCSP Oxfordshire Community Stroke Project, LACS lacunar stroke, PACS partial anterior circulation stroke, TACS total anterior circulation stroke, POCS posterior circulation stroke, BP blood pressure.
  2. *October 2009.
  3. **December 2008 to April 2011 excluding October 2009.
  4. ***August-Novembers 2009, and 2010 excluding October 2009.
  5. ā€ The October 2009 data was excluded.
  6. ā€”Results reported as mean (standard deviation) and median (interquartile range) for continuous variables and number (%) for categorical data.
  7. Ā§T-test for continuous data. Statistical difference performed on complete data only.
  8. Ā„Pearson Chi2 test for categorical data. Statistical difference performed on complete data only.
  9. Ā¶Fisherā€™s exact test for categorical data. Statistical difference performed on complete data only.
  10. Ļ‡Pearson Chi2 test for comparison of median. Statistical difference performed on complete data only.
Back to article page

BMC Research Notes

ISSN: 1756-0500

Contact us