Table 2. Mean comparison test (t-test) using 2010 as comparison year.
Out-of-Pocket Payment | Insurance Claims | |||||
---|---|---|---|---|---|---|
Year | Mean | Std. Err. | Pr (|T| > |t|) | Mean | Std. Err. | Pr(|T| > |t|) |
2010 | 4144.397 | 302.5217 | 64609.65 | 6063.325 | ||
2011 | 3379.288 | 424.531 | 0.148 | 71272.24 | 8741.706 | 0.534 |
2012 | 2801.082 | 315.9346 | 0.003 | 76219.43 | 5394.353 | 0.158 |
2013 | 2548.958 | 350.6245 | 0.001 | 90330.18 | 8555.829 | 0.017 |
2014 | 1577.975 | 217.9629 | <0.001 | 74989.96 | 5404.659 | 0.207 |