Table 2. Open in new tab Odds ratios of...

MRI pattern	Gottron sign	Dysphagia	Interstitial lung disease	Malignancy	Muscle weakness
Honeycomb	8.05**	(1.72–76.60)	0.002	2.48	(0.76–8.02)	0.097	0.31*	(0.10–0.89)	0.017	6.87***	(1.94–26.98)	<0.001	4.12	(0.85–40.09)	0.08
Fascial	3.33*	(1.15–9.90)	0.015	0.89	(0.28–3.03)	1	0.77	(0.27–2.12)	0.646	4.57*	(0.94–44.47)	0.045	1.02	(0.28–3.44)	1
Peripheral	2.52	(0.61–15.02)	0.245	0.65	(0.11–2.74)	0.751	0.84	(0.25–2.83)	0.789	1.93	(0.45–7.40)	0.315	5.26	(0.71–236.36)	0.106
Foggy	0.03***	(0.01–0.11)	<0.001	1.96	(0.61–6.23)	0.276	0.35*	(0.12–0.98)	0.036	0.37	(0.06–1.52)	0.16	11.24**	(1.58–495.82)	0.005
Dense dot	Inf.**	(1.47–Inf.)	0.008	6.27**	(1.46–29.47)	0.006	0.05***	(<0.01–0.39)	<0.001	8.49**	(1.91–41.47)	0.002	3.3	(0.42–151.97)	0.446
Coarse dot	Inf.	(0.56–Inf.)	0.17	0.63	(0.01–6.2)	1	4.13	(0.43–203.18)	0.226	0	(<0.01–3.43)	0.342	0.51	(0.07–6.14)	0.603

MRI pattern

Gottron sign

Dysphagia

Interstitial lung disease

Malignancy

Muscle weakness

(95 % CI)

P value

(95 % CI)

P value

(95 % CI)

P value

(95 % CI)

P value

(95 % CI)

P value

Honeycomb

8.05**

(1.72–76.60)

0.002

2.48

(0.76–8.02)

0.097

0.31*

(0.10–0.89)

0.017

6.87***

(1.94–26.98)

<0.001

4.12

(0.85–40.09)

0.08

Fascial

3.33*

(1.15–9.90)

0.015

0.89

(0.28–3.03)

0.77

(0.27–2.12)

0.646

4.57*

(0.94–44.47)

0.045

1.02

(0.28–3.44)

Peripheral

2.52

(0.61–15.02)

0.245

0.65

(0.11–2.74)

0.751

0.84

(0.25–2.83)

0.789

1.93

(0.45–7.40)

0.315

5.26

(0.71–236.36)

0.106

Foggy

0.03***

(0.01–0.11)

<0.001

1.96

(0.61–6.23)

0.276

0.35*

(0.12–0.98)

0.036

0.37

(0.06–1.52)

0.16

11.24**

(1.58–495.82)

0.005

Dense dot

Inf.**

(1.47–Inf.)

0.008

6.27**

(1.46–29.47)

0.006

0.05***

(<0.01–0.39)

<0.001

8.49**

(1.91–41.47)

0.002

3.3

(0.42–151.97)

0.446

Coarse dot

Inf.

(0.56–Inf.)

0.17

0.63

(0.01–6.2)

4.13

(0.43–203.18)

0.226

(<0.01–3.43)

0.342

0.51

(0.07–6.14)

0.603

MRI pattern	Gottron sign	Dysphagia	Interstitial lung disease	Malignancy	Muscle weakness
Honeycomb	8.05**	(1.72–76.60)	0.002	2.48	(0.76–8.02)	0.097	0.31*	(0.10–0.89)	0.017	6.87***	(1.94–26.98)	<0.001	4.12	(0.85–40.09)	0.08
Fascial	3.33*	(1.15–9.90)	0.015	0.89	(0.28–3.03)	1	0.77	(0.27–2.12)	0.646	4.57*	(0.94–44.47)	0.045	1.02	(0.28–3.44)	1
Peripheral	2.52	(0.61–15.02)	0.245	0.65	(0.11–2.74)	0.751	0.84	(0.25–2.83)	0.789	1.93	(0.45–7.40)	0.315	5.26	(0.71–236.36)	0.106
Foggy	0.03***	(0.01–0.11)	<0.001	1.96	(0.61–6.23)	0.276	0.35*	(0.12–0.98)	0.036	0.37	(0.06–1.52)	0.16	11.24**	(1.58–495.82)	0.005
Dense dot	Inf.**	(1.47–Inf.)	0.008	6.27**	(1.46–29.47)	0.006	0.05***	(<0.01–0.39)	<0.001	8.49**	(1.91–41.47)	0.002	3.3	(0.42–151.97)	0.446
Coarse dot	Inf.	(0.56–Inf.)	0.17	0.63	(0.01–6.2)	1	4.13	(0.43–203.18)	0.226	0	(<0.01–3.43)	0.342	0.51	(0.07–6.14)	0.603

Table 2.

Open in new tab

Odds ratios of MRI patterns in skeletal muscles for clinical manifestations

MRI pattern	Gottron sign			Dysphagia			Interstitial lung disease			Malignancy			Muscle weakness
MRI pattern	OR	(95 % CI)	P value	OR	(95 % CI)	P value	OR	(95 % CI)	P value	OR	(95 % CI)	P value	OR	(95 % CI)	P value
Honeycomb	8.05**	(1.72–76.60)	0.002	2.48	(0.76–8.02)	0.097	0.31*	(0.10–0.89)	0.017	6.87***	(1.94–26.98)	<0.001	4.12	(0.85–40.09)	0.08
Fascial	3.33*	(1.15–9.90)	0.015	0.89	(0.28–3.03)	1	0.77	(0.27–2.12)	0.646	4.57*	(0.94–44.47)	0.045	1.02	(0.28–3.44)	1
Peripheral	2.52	(0.61–15.02)	0.245	0.65	(0.11–2.74)	0.751	0.84	(0.25–2.83)	0.789	1.93	(0.45–7.40)	0.315	5.26	(0.71–236.36)	0.106
Foggy	0.03***	(0.01–0.11)	<0.001	1.96	(0.61–6.23)	0.276	0.35*	(0.12–0.98)	0.036	0.37	(0.06–1.52)	0.16	11.24**	(1.58–495.82)	0.005
Dense dot	Inf.**	(1.47–Inf.)	0.008	6.27**	(1.46–29.47)	0.006	0.05***	(<0.01–0.39)	<0.001	8.49**	(1.91–41.47)	0.002	3.3	(0.42–151.97)	0.446
Coarse dot	Inf.	(0.56–Inf.)	0.17	0.63	(0.01–6.2)	1	4.13	(0.43–203.18)	0.226	0	(<0.01–3.43)	0.342	0.51	(0.07–6.14)	0.603

MRI pattern	Gottron sign			Dysphagia			Interstitial lung disease			Malignancy			Muscle weakness
MRI pattern	OR	(95 % CI)	P value	OR	(95 % CI)	P value	OR	(95 % CI)	P value	OR	(95 % CI)	P value	OR	(95 % CI)	P value
Honeycomb	8.05**	(1.72–76.60)	0.002	2.48	(0.76–8.02)	0.097	0.31*	(0.10–0.89)	0.017	6.87***	(1.94–26.98)	<0.001	4.12	(0.85–40.09)	0.08
Fascial	3.33*	(1.15–9.90)	0.015	0.89	(0.28–3.03)	1	0.77	(0.27–2.12)	0.646	4.57*	(0.94–44.47)	0.045	1.02	(0.28–3.44)	1
Peripheral	2.52	(0.61–15.02)	0.245	0.65	(0.11–2.74)	0.751	0.84	(0.25–2.83)	0.789	1.93	(0.45–7.40)	0.315	5.26	(0.71–236.36)	0.106
Foggy	0.03***	(0.01–0.11)	<0.001	1.96	(0.61–6.23)	0.276	0.35*	(0.12–0.98)	0.036	0.37	(0.06–1.52)	0.16	11.24**	(1.58–495.82)	0.005
Dense dot	Inf.**	(1.47–Inf.)	0.008	6.27**	(1.46–29.47)	0.006	0.05***	(<0.01–0.39)	<0.001	8.49**	(1.91–41.47)	0.002	3.3	(0.42–151.97)	0.446
Coarse dot	Inf.	(0.56–Inf.)	0.17	0.63	(0.01–6.2)	1	4.13	(0.43–203.18)	0.226	0	(<0.01–3.43)	0.342	0.51	(0.07–6.14)	0.603

ORs and 95% CI were calculated based on conditional maximum likelihood estimation.

The P-values were derived from Fisher’s exact test.

P < 0.05,

P < 0.01,

***

P < 0.001.

CI: confidence interval; inf.: infinity; OR: odds ratio.

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