Table 2. The related costs of osteoporosis for the elderly in 2017 (US$) .
| Variable | N (%) | Sum | Cost per patient | Mean | P value |
| Sex | |||||
| Male | 62 (21) | 211,228.34 | 3,406.91 | 3,406.91 | 0.042 |
| Female | 233 (79) | 896,745.12 | 3,848.69 | 3,898.89 | |
| Age | |||||
| 65 to 74 | 218 (74) | 829,362.68 | 3,804.41 | 3,857.50 | 0.508 |
| 75 to 90 | 77 (26) | 278,610.78 | 3,618.33 | 3,618.33 | |
| LOS | |||||
| First week | 61 (20.68) | 83,840.39 | 1,374.43 | 1,352.26 | <0.001 |
| Second week | 138 (46.78) | 553,144.25 | 4,008.29 | 4,127.94 | |
| Third week | 77 (26.10) | 356,962.86 | 4,635.88 | 4,635.88 | |
| One month | 10 (3.39) | 71,429.41 | 7,142.94 | 7,142.94 | |
| Over one month | 9 (3.05) | 42,596.53 | 4,732.95 | 4,732.95 | |
| Disease | |||||
| Osteoporosis | 237 (80) | 923,036.88 | 3,894.67 | 3,944.60 | 0.016 |
| Spinal stenosis | 26 (9) | 84,276.69 | 3,241.41 | 3,241.41 | |
| Others | 32 (11) | 100,659.89 | 3,145.62 | 3,145.62 | |
| ICU services | |||||
| Did not receive ICU services | 57 (19) | 85,989.71 | 1,508.59 | 1,508.59 | <0.001 |
| Received ICU services | 238 (81) | 1,021,983.75 | 4,294.06 | 4,348.86 | |
| Surgery services | |||||
| No surgery | 43 (15) | 17,784.92 | 413.60 | 433.77 | <0.001 |
| Surgery | 252 (85) | 1,090,188.54 | 4,343.38 | 4,343.38 |