Differences in number of ED visits or total outpatient visits with respect to insurance type* †
| Insurance type (patients may have more than one type) | ED visits | Total outpatient visits |
| Private insurance | NS | NS |
| Medicare or Medicaid | NS | NS |
| Self-pay (all but two of the self-pay did not have another type of insurance) | p value 0.03 | p value <0.001 |
| Self-pay 1.0±2.9 (0) | Self-pay 1.3±3.2 (0) | |
| Not self-pay 1.6±3.5 (1) | Not self-pay 4.0±6.5 (1) | |
| Other (other includes just other or other in combination with Medicare and/or Medicaid) | NS | p value 0.01 |
| Other 8.1±9.2 (6) | ||
| Not other 3.2±5.8 (1) |