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Table 4 Hospital cost by concomitant interstitial lung disease and demographic factors

From: Influence of interstitial lung disease on systemic sclerosis hospitalizations, a national study (2002–2020)

 

Unadjusted

Adjusted

ILD: Yes

ILD: No

Ratio (95% CI)

p

Ratio (95% CI)

p

Cost, $

14,625

10,744

1.36 (1.29–1.44)

< 0.001

1.33 (1.26–1.40)

< 0.001

By age

Varied, see Fig. 3

< 0.001

Varied, see Fig. 3

< 0.001

By biological sex

   

0.006

 

0.002

 Female

13,967

10,672

1.31 (1.23–1.39)

< 0.001

1.28 (1.18–1.38)

< 0.001

 Male

17,145

11,052

1.55 (1.39–1.74)

< 0.001

1.54 (1.38–1.72)

< 0.001

By race

   

0.598

 

0.599

 White

14,128

10,159

1.39 (1.29–1.50)

< 0.001

1.36 (1.27–1.47)

< 0.001

 Black

14,785

11,422

1.29 (1.17–1.43)

< 0.001

1.26 (1.15–1.39)

< 0.001

 Hispanic

15,824

11,618

1.36 (1.23–1.51)

< 0.001

1.33 (1.20–1.48)

< 0.001

 Other

16,304

12,782

1.28 (1.08–1.51)

0.005

1.27 (1.08–1.50)

0.004

Income quartile

   

0.469

 

0.273

 I

13,845

10,274

1.35 (1.22–1.49)

< 0.001

1.28 (1.16–1.41)

< 0.001

 II

13,118

10,213

1.28 (1.18–1.40)

< 0.001

1.26 (1.16–1.37)

< 0.001

 III

15,269

11,141

1.37 (1.24–1.52)

< 0.001

1.35 (1.23–1.60)

< 0.001

 IV

16,251

11,360

1.43 (1.29–1.59)

< 0.001

1.42 (1.28–1.58)

< 0.001

By facility type

   

0.009

 

0.008

 Rural

9,066

7,222

1.26 (1.09–1.45)

0.001

1.23 (1.06–1.42)

0.006

 Urban nonteaching

10,799

9,080

1.19 (1.10–1.28)

< 0.001

1.18 (1.10–1.28)

< 0.001

 Urban teaching

16,584

11,864

1.40 (1.30–1.50)

< 0.001

1.39 (1.30–1.49)

< 0.001

  1. The table presents the hospital cost in dollars for patients with systemic sclerosis with and without ILD. The table contains both the unadjusted and adjusted hospital cost by ILD status. The unadjusted data includes the raw results and direct relationship between variables without controlling for confounding factors. The adjusted data is statistically modified to control for possible confounding factors including age, sex, race, ect. A p value < 0.05 indicates a significant difference between hospital cost by the respective demographic factor
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Advances in Rheumatology

ISSN: 2523-3106