Table 2 Comorbidities in elder patients with and without seizure-freedom

At least one comorbidity

51

74

4.306

1

0.038*

2.374

1.035–5.448

0.041*

2.104

0.880–5.032

0.094

Number of comorbidities

 0

18

11

5.748

3

0.125

1.405

1.054–1.872

0.020*

1.336

0.987–1.808

0.061

 1

17

18

 2

14

20

 ≥ 3

20

36

Comorbidity type

Neurological

35

59

5.591

1

0.018*

2.204

1.139–4.265

0.019*

1.705

0.844–3.443

0.137

 Traumatic brain injury

7

13

0.894

1

0.345

1.599

0.600–4.259

0.348

1.441

0.520–3.997

0.482

 Intracranial tumors

3

7

0.416

1

0.519

1.974

0491–7.940

0.338

1.913

0.434–8.443

0.392

 Dementia

10

16

0.509

1

0.476

1.368

0.577–3.243

0.477

1.379

0.558–3.410

0.487

 Parkinson's Disease

2

4

0.025

1

0.875

1.654

0.294–9.312

0.568

3.997

0.609–26.240

0.149

 Alcoholic encephalopathy

0

4

1.733

1

0.188

Ne

-

Ne

-

-

 Cerebrovascular disease

23

29

0.010

1

0.918

1.036

0.529–2.208

0.918

0.824

0.395–1.718

0.605

  Cerebral infarction

9

19

2.219

1

0.136

1.919

0.807–4.566

0.140

1.635

0.654–4.086

0.292

  Cerebral hemorrhage

9

7

0.946

1

0.331

0.598

0.211–1.699

0.335

0.404

0.123–1.324

0.135

  Cerebral vascular malformations

5

3

0.447

1

0.504

0.468

0.108–2.033

0.311

0.462

0.088–2.415

0.360

Psychiatric

10

30

8.571

1

0.003**

3.218

1.440–7.194

0.004**

2.606

1.124–6.041

0.026*

 Anxiety

8

23

5.665

1

0.017*

2.829

1.175–6.811

0.020*

2.665

1.067–6.654

0.036*

 Depression

8

24

6.407

1

0.016*

3.000

1.250–7.199

0.014*

2.469

0.989–6.165

0.053

 Psychotic disorders

0

2

Fisher’s exact test

0.502

Ne

-

-

Ne

-

-

Cardiovascular

32

37

0.125

1

0.724

0.891

0.471–1.688

0.724

0.913

0.461–1.809

0.794

 Hypertension

31

32

0.835

1

0.361

0.740

0.388–1.412

0.361

0.736

0.368–1.473

0.386

 Heart disease

7

14

1.294

1

0.255

1.746

0.663–4.603

0.259

1.677

0.602–4.670

0.322

Endocrine/metabolic

10

21

2.471

1

0.116

1.936

0.842–4.449

0.120

1.953

0.816–4.672

0.133

 Diabetes

6

17

3.831

1

0.050

2.625

0.974–7.077

0.057

2.516

0.890–7.114

0.082

 Osteoporosis

5

4

0.104

1

0.504

0.632

0.163–2.451

0.507

0.767

0.190–3.103

0.710

Respiratory

2

4

0.025

1

0.875

1.654

0.294–9.312

0.568

1.759

0.279–11.080

0.547

Neoplasms (Extracranial)

2

3

0.000

1

1.000

1.226

0.199–7.550

0.826

1.271

0.178–9.097

0.811

Others

1

2

0.000

1

1.000

1.639

0.145–18.460

0.689

2.577

0.225–29.471

0.446

At least one bidirectional comorbidity

17

38

6.680

1

0.010*

2.473

1.235–4.954

0.011*

2.162

1.037–4.506

0.040*

Number of bidirectional comorbidities

 0

51

47

Fisher’s exact test

0.026*

1.713

1.139–2.577

0.010*

1.578

1.034–2.408

0.034*

 1

12

16

 2

4

18

 3

2

4

At least one causal comorbidity

32

49

1.94

1

0.164

1.574

0.830–2.983

0.165

1.265

0.632–2.532

0.506

Number of causal comorbidities

 0

37

36

Fisher’s exact test

0.125

1.457

0.780–2.721

0.237

1.157

0.588–2.278

0.673

 1

31

49

 2

1

0

At least one other comorbidity

36

53

1.63

1

0.203

1.518

0.797–2.893

0.204

1.580

0.798–3.164

0.188

Number of other comorbidities

 0

33

32

2.25

3

0.522

1.254

0.892–1.761

0.192

1.293

0.900–1.857

0.164

 1

21

30

 2

11

14

 3 + 

4

9