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Table 2 Combination of inputs and outputs used in various DEA models

From: Improving the effectiveness of service delivery in the public healthcare sector: the case of ophthalmology services in Malaysia

 

DEA models

Variable names

1

2

3

4

5

Refa

Elective operating hours

Permanent ophthalmologist

Supporting clinical staff

 

Assistant Medical Officers

   

  

Nurses

   

  

Operative microscope

 

Phacoemulsifier

 

Vitrectomy device

 

Total number of input

6

3

6

7

6

6

Total surgeriesb

  

   

Cataract surgery

     

Quality-adjusted cataract surgeryc

 

 

Non-cataract surgery

 

 

Glaucoma surgery

    

 

Vitreo-retinal surgery

    

 

Corneal surgery

    

 

Oculaplasty surgery

    

 

Outpatient visits

Inpatient admissions

Total number of output

4

4

3

4

7

4

Total number of variables

10

7

9

11

13

10

  1. aReference model built based on initial discussion with two MOH ophthalmologists
  2. bSum of total quality-adjusted cataract surgeries and non-cataract surgeries
  3. cTotal number of cataract surgeries multiplied by two quality indicators : (1)Percentage of cases achieving visual acuity of 6/12 or better within 3 months following cataract surgery and (2) Percentage of cases without post-operative endophthalmitis