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Table 5 Charlson comorbidity index stratified medical resource utilisation by patients with idiopathic pulmonary fibrosis

From: Epidemiology and comorbidities in idiopathic pulmonary fibrosis: a nationwide cohort study

 

Within 90 days

Within 365 days

Total (n = 21,111)

CCI 0–3 (n = 11,618)

CCI over 4 (n = 9493)

p value

Total (n = 21,111)

CCI 0–3 (n = 11,618)

CCI over 4 (n = 9493)

p value

Patients who visited outpatient clinics

18,042 (85.46%)

10,395 (89.47%)

7647 (80.55%)

 < 0.001

18,170 (86.07%)

10,462 (90.05%)

7708 (81.20%)

 < 0.001

Patients admitted to hospitals

4156 (19.69%)

1771 (15.24%)

2385 (25.12%)

 < 0.001

5806 (27.50%)

2693 (23.18%)

3113 (32.79%)

 < 0.001

Total medical costs (KRW1000)

86.0 [25.0–303.0]

79.2 [24.5–234.0]

97.0 [25.59 –585.7]

 < 0.001

314.0 [63.0–1321.0]

303.1 [65.5–961.3]

332.7 [59.7–1963.9]

 < 0.001

  1. All values are presented as number (%) or median [interquartile range]
  2. p values were calculated using the chi-square test for categorical variables and the Wilcoxon rank sum test for continuous variables