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Table 4 Comparison between responders and non-responders group regarding echocardiographic parameters and 6-month hospitalization

From: Role of Strauss ECG criteria as predictor of response in patients undergoing cardiac resynchronization therapy

 

Non-responders

Responders

Test value

P- value

Sig.

No. = 16

No. = 50

Pre TR

     

Mild

4 (25.0%)

47 (94.0%)

33.677*

 < 0.001

HS

Moderate

9 (56.2%)

3 (6.0%)

   

Severe

3 (18.8%)

0 (0.0%)

   

Pre FAC

     

Normal

8 (50.0%)

49 (98.0%)

23.714*

 < 0.001

HS

Impaired

8 (50.0%)

1 (2.0%)

   

Pre RVSP (mmhg)

     

Mean ± SD

43.44 ± 10.28

30.92 ± 5.00

6.577•

 < 0.001

HS

Range

30–60

1–40

   

Post TR

     

Mild

4 (25.0%)

46 (92.0%)

29.627*

 < 0.001

HS

Moderate

9 (56.2%)

3 (6.0%)

   

Severe

3 (18.8%)

1 (2.0%)

   

Post FAC

     

Normal

8 (50.0%)

49 (98.0%)

23.714*

 < 0.001

HS

Impaired

8 (50.0%)

1 (2.0%)

   

Post RVSP

     

Mean ± SD

45.25 ± 10.50

30.90 ± 2.19

9.195•

 < 0.001

HS

Range

30–65

30–40

   

6-month Hosp

     

Yes

15 (93.8%)

9 (18.0%)

41.083*

 < 0.001

HS

  1. fractional area change, right ventricle systolic pressure, standard deviation, Tricuspid regurgitation. *: Chi-square test; •: Independent t-test