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Table 3 Fitting index standards and results of structural equation models

From: A structural equation model-based study on the status and influencing factors of acute exacerbation readmission of elderly patients with chronic obstructive pulmonary disease within 30 days

Project

χ2/df

RMSEA

NFI

RFI

TLI

CFI

PRATIO

PNFI

PCFI

Reference

1–2

< 0.08

> 0.9

> 0.9

> 0.9

> 0.9

> 0.5

> 0.5

> 0.5

Initial model

2.302

0.043

0.887

0.872

0.924

0.932

0.884

0.784

0.824

Final model

1.778

0.033

0.915

0.901

0.954

0.961

0.859

0.786

0.825

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BMC Pulmonary Medicine

ISSN: 1471-2466

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