Table 4 Prevalence of PIM according to medical care utilization
| Â | Â | LTC beneficiaries | LTC non-beneficiaries | p-value | ||||
|---|---|---|---|---|---|---|---|---|
Total (N) | PIM user (N) | % | Total (N) | PIM user (N) | % | |||
Number of outpatient visits |  ≤ 6 | 1023 | 541 | 52.9 | 533 | 232 | 43.5 |  < 0.001 |
7–15 | 2176 | 1591 | 73.1 | 1626 | 1181 | 72.6 | 0.740 | |
16–26 | 2679 | 2346 | 87.6 | 2244 | 1970 | 87.8 | 0.815 | |
27–42 | 1896 | 1777 | 93.7 | 2330 | 2205 | 94.6 | 0.206 | |
 ≥ 43 | 1908 | 1842 | 96.5 | 2949 | 2891 | 98.0 | 0.001 | |
Number of medical institutions visited |  ≤ 2 | 3082 | 2113 | 68.6 | 1714 | 1098 | 64.1 | 0.002 |
3–4 | 3166 | 2734 | 86.4 | 2652 | 2289 | 86.3 | 0.962 | |
 ≥ 5 | 3434 | 3250 | 94.6 | 5316 | 5092 | 95.8 | 0.013 | |