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Table 5 Association of global HRQoL scores with clinical characteristics of patients operated on from January 2020 to April 2021 for rheumatic mitral stenosis at JKCI, preoperatively and over time (N = 54)

From: Health related quality of life of patients following mechanical valve replacement surgery for rheumatic mitral stenosis in Tanzania

Variable

Mean (± SD) Global scores

Mean difference (± SD)

*P value

Preoperative

6 months

NYHA class: I-II

3.43 ± 0.59

6.15 ± 0.51

2.72 ± 0.63

0.420

III-IV

3.48 ± 0.63

6.12 ± 0.50

2.56 ± 0.56

Preop LVEF: Low

3.58 ± 0.77

6.58 ± 0.24

2.65 ± 0.72

0.930

Normal

3.42 ± 0.59

6.08 ± 0.50

2.67 ± 0.60

Stroke: No

3.52 ± 0.56

6.12 ± 0.44

2.59 ± 0.50

0.135

Yes

3.07 ± 0.63

6.28 ± 0.49

3.20 ± 0.93

Hypertension: No

3.49 ± 0.60

6.16 ± 0.48

2.65 ± 0.58

0.423

Yes

3.10 ± 0.30

5.89 ± 0.76

2.91 ± 0.96

Preop PAP: Normal

3.53 ± 0.38

5.98 ± 0.38

2.47 ± 0.49

0.315

Elevated

3.42 ± 0.63

6.17 ± 0.52

2.71 ± 0.63

Preop Atrial fibrillation: No

3.66 ± 0.61

6.14 ± 0.45

2.45 ± 0.53

0.003

Yes

3.17 ± 0.45

6.14 ± 0.56

2.95 ± 0.59

Mitral Valve Area: Moderately reduced

3.52 ± 0.67

6.25 ± 0.47

2.66 ± 0.64

0.883

Severely reduced

3.38 ± 0.52

6.06 ± 0.54

2.68 ± 0.59

Anticoagulants (preoperatively): No

3.53 ± 0.58

6.11 ± 0.50

2.57 ± 0.57

0.009

Yes

3.05 ± 0.51

6.27 ± 0.64

3.14 ± 0.58

 C-Reactive Protein: Normal

3.46 ± 0.63

6.06 ± 0.53

2.61 ± 0.60

0.546

Abnormal

3.42 ± 0.54

6.29 ± 0.42

2.72 ± 0.62

Type of surgery: DVR

3.36 ± 0.60

6.05 ± 0.61

2.58 ± 0.40

0.542

SVR

3.47 ± 0.60

6.17 ± 0.46

2.70 ± 0.66

  1. Legend: NYHA = New York Heart Association, LVEF = Left ventricular ejection fraction, PAP = pulmonary arterial pressure, TAPSE = Tricuspid Annular Plane Systolic Excursion, DVR = Double (aortic and mitral) valve replacement, SVR = Single (mitral) valve replacement. *P value for the mean difference