Table 1 Baseline characteristics of case group (post-stroke patients with aphasia) and control group (post-stroke patients without aphasia). SMD Standardized mean difference.

From: Increased risk of depression and associated symptoms in poststroke aphasia

 

Before matching

After matching

Case (N = 12,337)

Control (N = 937,883)

SMD

Case (N = 12,333)

Control (N = 12,333)

SMD

Demographic data

 Age (years)

65.8 ± 13.1

64.0 ± 14.3

0.130

65.8 ± 13.1

66.4 ± 12.9

0.045

 Male

6862 (55.6%)

512,648 (54.7%)

0.019

6862 (55.6%)

6940 (56.3%)

0.013

 Race

 White

6312 (51.2%)

456,495 (48.7%)

0.050

6312 (51.2%)

6405 (51.9%)

0.015

 African American

2555 (20.7%)

124,058 (13.2%)

0.200

2551 (20.7%)

2472 (20.0%)

0.016

 Hispanic or Latino

700 (5.7%)

50,691 (5.4%)

0.012

700 (5.7%)

650 (5.3%)

0.018

 Asian

512 (4.2%)

40,019 (4.3%)

0.006

512 (4.2%)

510 (4.1%)

0.001

Baseline comorbidities

 Hypertension

6439 (52.2%)

280,149 (29.9%)

0.466

6435 (52.2%)

6558 (53.2%)

0.020

 Diabetes mellitus

3369 (27.3%)

148,956 (15.9%)

0.280

3365 (27.3%)

3423 (27.8%)

0.011

 Hyperlipidemia

4005 (32.5%)

154,941 (16.5%)

0.377

4001 (32.4%)

4035 (32.7%)

0.006

 Overweight and obesity

1446 (11.7%)

64,526 (6.9%)

0.167

1445 (11.7%)

1432 (11.6%)

0.003

 Atrial fibrillation

2081 (16.9%)

69,989 (7.5%)

0.291

2078 (16.8%)

2095 (17.0%)

0.004

 Heart failure

1625 (13.2%)

65,388 (7.0%)

0.207

1622 (13.2%)

1519 (12.3%)

0.025

 Chronic kidney disease

1589 (12.9%)

69,280 (7.4%)

0.183

1588 (12.9%)

1629 (13.2%)

0.010

 Epilepsy

919 (7.4%)

19,720 (2.1%)

0.253

915 (7.4%)

885 (7.2%)

0.009

 Dementia

498 (4.0%)

11,413 (1.2%)

0.177

495 (4.0%)

454 (3.7%)

0.017

 Chronic pain

664 (5.4%)

35,170 (3.7%)

0.078

663 (5.4%)

649 (5.3%)

0.005

 Smoke

1274 (10.3%)

55,325 (5.9%)

0.163

1272 (10.3%)

1248 (10.1%)

0.006

 Alcohol

495 (4.0%)

19,086 (2.0%)

0.116

494 (4.0%)

468 (3.8%)

0.011

Socioeconomic status

 Never married

1330 (10.8%)

86,008 (9.2%)

0.054

1329 (10.8%)

1239 (10.0%)

0.024

 Low income

10 (0.1%)

88 (0.0%)

0.034

10 (0.1%)

10 (0.1%)

 < 0.001

Medication

 Hypnotics

3674 (29.8%)

167,189 (17.8%)

0.283

3670 (29.8%)

3685 (29.9%)

0.003

 Antidepressants

1871 (15.2%)

70,921 (7.6%)

0.241

1868 (15.1%)

1894 (15.4%)

0.006

 Antipsychotics

1002 (8.1%)

30,968 (3.3%)

0.209

1000 (8.1%)

925 (7.5%)

0.023

 Anticonvulsants

2710 (22.0%)

94,051 (10.0%)

0.330

2706 (21.9%)

2710 (22.0%)

0.001