Skip to main content

Table 3 Differences between arthritis and anemia versus arthritis without anemia in length of stay, adjusted for age, sex, type of primary diagnosis of arthritis, type of secondary/associated diagnosis of arthritis, and number of associated diagnoses

From: Burden of anemia in patients with osteoarthritis and rheumatoid arthritis in French secondary care

  

Public

Private

  

Difference, days (95% CI)

Difference, days (95% CI)

Univariable analysis

Matched sample #1

0.91 (0.01 to 1.81)

0.35 (-0.67 to 1.37)

 

Matched sample #2

0.68 (-0.20 to 1.56)

0.47 (-0.55 to 1.49)

 

Matched sample #3

1.30 (0.47 to 2.13)

0.79 (-0.19 to 1.77)

 

Matched sample #4

1.00 (0.11 to 1.89)

0.29 (-0.70 to 1.28)

 

Matched sample #5

1.13 (0.28 to 1.98)

0.03 (-1.07 to 1.13)

Multivariable analysis

Whole population

1.56 (1.14 to 1.98)

0.69 (0.22 to 1.16)

  1. Legend: Matched samples of arthritis patients with anemia and without anemia were identified based on five confounders: Sample #1 - gender (male, female); Sample #2 - age (0–59, 60–69, 70–79, 80+); Sample #3 - type of primary diagnosis of arthritis; Sample #4 - type of secondary/associated diagnosis of arthritis; Sample #5 - number of associated diagnoses/comorbidities (none, 1–2, 3–4, 5–6, 6+).