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Table 1 Demographics and Characteristics of 2004 ischemic stroke patients and Matched controls

From: Marginal costing methods highlight the contributing cost of comorbid conditions in Medicare patients: a quasi-experimental case–control study of ischemic stroke costs

 

Overall

2004 Stroke

2004 Controls

 
 

(n = 8928)

(n = 2976)

(n = 5952)

p-value*

Age (Approximate)

78.2 (±6.8)

78.1 (±6.9)

78.3 (±6.8)

0.14

Male^

3510 (39.3)

1149 (38.6)

2361 (39.7)

0.33

Caucasian^

6374 (71.4)

2148 (72.2)

4226 (71.0)

0.24

Charlson morbidity score

2.1 (±1.7)

2.1 (±1.7)

2.0 (±1.6)

0.10

Receiving rehabilitation^

2438 (27.3)

1303 (43.8)

1135 (19.1)

<0.0001

Died year post-index date^

1975 (22.1)

967 (32.5)

1008 (16.9)

<0.0001

Days alive yr post-index date

309.1 (±115.2)

279.2 (±136.1)

324.0 (±99.8)

<0.0001

Stroke risk factors (prior 6 months)

    

Diabetes^

3018 (33.8)

991 (33.3)

2027 (34.1)

0.48

Heart failure^

2606 (29.2)

851 (28.6)

1755 (29.5)

0.38

Heart attack^

767 (8.6)

280 (9.4)

487 (8.2)

0.06

Atrial fibrillation^

2423 (27.1)

832 (28.0)

1591 (26.7)

0.22

Hypertension^

7512 (84.1)

2476 (83.2)

5036 (84.6)

0.09

  1. Mean (±SD).
  2. ^N (%).
  3. *p-values were calculated using non-parametric Wilcoxon Scores for continuous measures, Chi-square or Fisher’s Exact for categorical measures (as appropriate).