1 Introduction

1.1 Objectives

To describe the characteristics of patients in Baha programme

How many patients entered the Baha programme?
How many were discharged? – reasons for same
How many have been implanted in the year to date?
What were the speech score differences?
What are the QOL differences?

1.2 Design

Retrospective, descriptive analysis

1.3 Setting

Physiotherapy in Audiology

1.4 Sampling

  • Targeted Population: BAHA patients
  • Sample size: Baha recipients (n=15), between April and September 2024.
  • Sampling method: convenience sampling

2 Results

2.1 Demographics

Characteristic N = 151
Is The Case Eligible For Submission?
    Eligible (discharged) 3 (20%)
    Eligible (Not discharged) 12 (80%)
Discharged 2 (67%)
    Unknown 12
surgery
    Yes 15 (100%)
1 n (%) 
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max.    NA's 
##   16.00   33.00   46.50   49.88   75.25   83.00       7
##       median         mean      SE.mean CI.mean.0.95          var      std.dev 
##   46.5000000   49.8750000    9.2107032   21.7798522  678.6964286   26.0518028 
##     coef.var 
##    0.5223419
## binwidth =[1] 37.70965
## Minimum of scale =[1] 0
## Maximum of scale =[1] 83

## 
##  Generalized Shapiro-Wilk test for Multivariate Normality by
##  Villasenor-Alva and Gonzalez-Estrada
## 
## data:  scale
## MVW = 0.79838, p-value = 0.003505

2.2 Type of BAHA

Characteristic N = 151
RT H/L Type
    Conductive 2 (13%)
    Mixed 10 (67%)
    Normal Hearing 2 (13%)
    Sensorineural 1 (6.7%)
Right Aetiology
    CSOM 1 (7.1%)
    Hearing Loss Following Middle Ear Surgery 1 (7.1%)
    Mastoiditis 2 (14%)
    Microtia/Atresia/Stenosis 1 (7.1%)
    Normal Hearing 1 (7.1%)
    Other 2 (14%)
    Other Middle Ear Pathology 3 (21%)
    unknown 3 (21%)
    Unknown 1
Right Onset
    Acquired 12 (80%)
    Congenital 1 (6.7%)
    N/A 2 (13%)
Right A/C (averaged over 0.5- 4 KHz) 60 (44, 80)
Right B/C (averaged over 0.5- 4 KHz) 31 (21, 40)
Medical HX/Surgery Right
    Chronic Infections 1 (20%)
    Mastoidectomy 4 (80%)
    Unknown 10
1 n (%); Median (Q1, Q3)
Characteristic N = 151
LT H/L Type
    Conductive 2 (13%)
    Mixed 4 (27%)
    Normal Hearing 3 (20%)
    Sensorineural 6 (40%)
Left Aetiology
    CSOM 2 (18%)
    Microtia/Atresia/Stenosis 2 (18%)
    Other 2 (18%)
    Other Middle Ear Pathology 1 (9.1%)
    Presbyacusis 3 (27%)
    unknown 1 (9.1%)
    Unknown 4
Left Onset
    Acquired 11 (73%)
    Congenital 1 (6.7%)
    N/A 3 (20%)
Left A/C (averaged over 0.5- 4 KHz) 44 (16, 58)
Left B/C (averaged over 0.5- 4 KHz) 17 (13, 36)
Medical HX/Surgery Left
    Chronic Infections 1 (100%)
    Unknown 14
1 n (%); Median (Q1, Q3)

2.3 Assessment

Characteristic N = 151
Bilateral Elligible 4 (27%)
Referal to Assessment Start Date (days) Auto Calc 29 (22, 40)
    Unknown 5
Referal To Assessment Start Date (Weeks - Rounded up) Auto Calc
    2 1 (10%)
    3 1 (10%)
    4 3 (30%)
    5 1 (10%)
    6 2 (20%)
    7 1 (10%)
    13 1 (10%)
    Unknown 5
1 n (%); Median (Q1, Q3) 
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max.    NA's 
##   12.00   22.75   29.00   34.50   39.00   85.00       5
##       median         mean      SE.mean CI.mean.0.95          var      std.dev 
##   29.0000000   34.5000000    6.4725918   14.6420199  418.9444444   20.4681324 
##     coef.var 
##    0.5932792
## binwidth =[1] 27.16717
## Minimum of scale =[1] 0
## Maximum of scale =[1] 85

## 
##  Generalized Shapiro-Wilk test for Multivariate Normality by
##  Villasenor-Alva and Gonzalez-Estrada
## 
## data:  scale
## MVW = 0.86447, p-value = 0.02801

2.4 Time Stamp

2.5 Additional Table (Reasons)

Characteristic N = 151
Reason for Discharge
    Patient Does Not Find Beneficial 1 (50%)
    Patient Does Not Wish To Undergo Surgery 1 (50%)
    Unknown 13
1 n (%)