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Table 1 ICC results

From: Methodological considerations in region of interest definitions for paraspinal muscles in axial MRIs of the lumbar spine

Measure

Method

Side

Muscle

ICC

95% confidence interval

Lower bound

Upper bound

tCSA

1

Left

Multifidus

0.879

0.761

0.938

Erector Sp.

0.973

0.951

0.986

Right

Multifidus

0.886

0.771

0.942

Erector Sp.

0.971

0.948

0.984

2

Left

Multifidus

0.946

0.897

0.972

Erector Sp.

0.979

0.951

0.99

Right

Multifidus

0.928

0.861

0.963

Erector Sp.

0.968

0.931

0.984

FSF

1

Left

Multifidus

0.987

0.978

0.993

Erector Sp.

0.996

0.994

0.998

Right

Multifidus

0.982

0.969

0.99

Erector Sp.

0.997

0.994

0.998

2

Left

Multifidus

0.994

0.99

0.997

Erector Sp.

0.992

0.976

0.997

Right

Multifidus

0.980

0.965

0.989

Erector Sp.

0.991

0.978

0.996

mCSA

1

Left

Multifidus

0.939

0.883

0.968

Erector Sp.

0.981

0.966

0.99

Right

Multifidus

0.935

0.882

0.965

Erector Sp.

0.982

0.969

0.99

2

Left

Multifidus

0.981

0.961

0.99

Erector Sp.

0.995

0.990

0.997

Right

Multifidus

0.972

0.948

0.985

Erector Sp.

0.994

0.989

0.997

fCSA

1

Left

Multifidus

0.954

0.905

0.977

Erector Sp.

0.992

0.985

0.995

Right

Multifidus

0.962

0.905

0.982

Erector Sp.

0.987

0.975

0.993

2

Left

Multifidus

0.969

0.945

0.984

Erector Sp.

0.981

0.944

0.992

Right

Multifidus

0.953

0.913

0.975

Erector Sp.

0.963

0.915

0.983

  1. Erector Sp. Erector Spinae