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Table 3 Multilevel logistic analyses to examine variation and determinants on PCI use

From: Variation in the use of percutaneous coronary interventions among older patients with acute coronary syndromes: a multilevel study in Fukuoka, Japan

 

Null Model

Model 1

Model 2

AOR (95% CI)

P

AOR (95% CI)

P

AOR (95% CI)

P

Patient characteristics

 Sex

  Male

  

Reference

 

Reference

 

  Female

  

0.73 (0.67–0.79)

<.001

0.72 (0.67–0.79)

<.001

 Age

  65–74

  

Reference

 

Reference

 

  75–79

  

0.90 (0.79–1.03)

.124

0.90 (0.79–1.03)

.124

  80–84

  

0.86 (0.75–0.98)

.025

0.86 (0.75–0.98)

.023

   ≥ 85

  

0.70 (0.60–0.82)

<.001

0.70 (0.60–0.82)

<.001

 Economic status

  Low

  

Reference

 

Reference

 

  Middle

  

0.99 (0.91–1.08)

.884

0.99 (0.91–1.08)

.900

  High

  

1.05 (0.89–1.23)

.545

1.05 (0.90–1.24)

.535

 Type of ACS

  STEMI/unstable angina

  

Reference

 

Reference

 

  Others

  

0.30 (0.28–0.34)

<.001

0.31 (0.28–0.34)

<.001

 Comorbidities

  Hypertension

  

1.32 (1.12–1.54)

.001

1.32 (1.12–1.54)

.001

  Dyslipidemia

  

1.20 (1.11–1.30)

<.001

1.20 (1.11–1.30)

<.001

 CCI

  No

  

Reference

 

Reference

 

  Mild

  

1.21 (0.95–1.54)

.131

1.21 (0.95–1.55)

.122

  Moderate

  

1.18 (0.93–1.51)

.172

1.18 (0.93–1.51)

.171

  Severe

  

1.21 (0.95–1.55)

.118

1.21 (0.95–1.55)

.117

Hospital characteristics

 Number of beds

   ≤ 199

    

Reference

 

  200–399

    

1.53 (1.00–2.34)

.050

   ≥ 400

    

1.11 (0.60–2.05)

.740

 Ownership

  Public

    

Reference

 

  Private

    

1.37 (0.97–1.94)

.075

 Physician density

  Low

    

Reference

 

  Middle

    

1.21 (0.75–1.95)

.432

  High

    

2.05 (1.16–3.64)

.014

δ2

 SMA level

<.001

<.001

<.001

 Hospital level

0.744

0.640

0.541

ICC

 SMA level

<.001

<.001

<.001

 Hospital level

0.184

0.163

0.141

PCV (%)

 SMA level

Reference

–

–

 Hospital level

Reference

7.3

14.7

MOR

 SMA level

1.001

1.001

1.000

 Hospital level

2.425

2.347

2.266

AIC

15,698.0

14,957.1

14,953.4

Log Likelihood

− 7845.99

− 7463.53

− 7456.7

  1. PCI percutaneous coronary intervention, ACS acute coronary syndromes, STEMI ST-elevation myocardial infarction, SMA secondary medical area, CCI Charlson Comorbidity Index, AOR adjusted odds ratio, CI confidence interval, ICC intraclass correlation coefficient, MOR median odds ratio, AIC Akaike’s information criterion