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Table 5 Literature review for previous studies that conducted a cost-utility analysis of lumbar interbody fusion surgery

From: Lateral lumbar interbody fusion (LLIF) reduces total lifetime cost compared with posterior lumbar interbody fusion (PLIF) for single-level lumbar spinal fusion surgery: a cost-utility analysis in Thailand

Parameters

Deluzio et al. [10]

Lucio et al. [9]

Hartman et al. [26]

Gandhoke et al. [11]

The present study

Country

USA

USA

USA

USA

Thailand

Type of analysis

Cost-effectiveness analysis

Cost-effectiveness analysis

Cost-effectiveness analysis

Cost-utility analysis

Cost-utility analysis

Perspective

Provider

Provider

Provider

Societal

Societal

Time horizon

45 days

45 days

30 days

2 years

Lifetime

Patient data

210 patients (109 LLIF, 101 PLIF)

210 patients (109 LLIF, 101 PLIF)

20 patients (10 LLIF, 10 TLIF)

74 patients (29 LLIF, 45 TLIF)

136 patients (59 LLIF, 77 PLIF)

Costs

LLIF: 24,208 USD/patient

LLIF: 24,320 USD/patient

LLIF: 22,195 USD/patient

LLIF: 72,260 USD

LLIF: 30,124 USD

 

PLIF: 26,770 USD/patient

PLIF: 27,055 USD/patient

TLIF: 29,951 USD/patient

TLIF: 65,179 USD

PLIF: 33,003 USD

 

Cost-saving 2563 USD/patient

Cost-saving 2825.37 USD/patient

Cost-saving 7756 USD/patient

  

Utility assessment tool

N/A

N/A

N/A

EQ-5D-5L (2 years)

EQ-5D-5L (1 year)

Utility results

     

LLIF

N/A

N/A

N/A

0.60

0.84

PLIF

N/A

N/A

N/A

0.67

0.89

QALYs

N/A

N/A

N/A

N/A

LLIF: 13.48

     

PLIF: 13.63

ICERs

N/A

N/A

N/A

LLIF: 35,347 USD/QALY

LLIF versus PLIF 19,359 USD/QALY

WTP per QALY

N/A

N/A

N/A

100,000 USD/QALY

5003 USD/QALY

  1. Exchange rate: 1 USD = 31.98 THB24
  2. ICERs, incremental cost-effectiveness ratios; LLIF, lateral lumbar interbody fusion; PLIF, posterior lumbar interbody fusion; QALY, quality-adjusted life-year; TLIF, transforaminal interbody fusion; WTP, willingness-to-pay