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) |