Table 1. Sample Sizes and Overall Ratio from Open vs Closed Claims.
| Kythera | MarketScan® | PharMetrics® Plus | |||||||||||||
| Diagnosis | n | Inpatient (%) | ED (%) | Outpatient (%) | LOS (days) | n | Inpatient (%) | ED (%) | Outpatient (%) | LOS (days) | n | Inpatient (%) | ED (%) | Outpatient (%) | LOS (days) |
| Alcohol dependence | 613 823 | 19.28 | 37.16 | 98.04 | 3.01 | 36 287 | 21.69 | 35.71 | 96.45 | 3.87 | 14 174 | 16.76 | 30.10 | 95.58 | 2.29 |
| Ankylosing spondylitis | 69 811 | 6.29 | 16.50 | 98.36 | 0.81 | 7875 | 6.03 | 24.86 | 99.06 | 0.45 | 2495 | 5.13 | 16.95 | 98.88 | 0.40 |
| Bladder cancer | 142 627 | 12.59 | 20.06 | 98.98 | 1.77 | 3883 | 11.82 | 25.83 | 99.38 | 0.97 | 2201 | 13.86 | 22.49 | 99.05 | 1.43 |
| Cirrhosis | 24 481 | 8.50 | 16.68 | 98.46 | 1.17 | 1509 | 9.34 | 25.51 | 99.54 | 0.88 | 582 | 7.39 | 19.07 | 99.48 | 1.37 |
| Chronic kidney disease | 2 447 280 | 19.16 | 27.54 | 99.21 | 3.85 | 82 017 | 15.64 | 27.43 | 99.02 | 2.03 | 35 926 | 14.45 | 22.70 | 98.72 | 1.97 |
| Crohn’s disease | 254 126 | 9.01 | 19.39 | 98.09 | 1.22 | 26 586 | 10.28 | 26.19 | 98.65 | 0.96 | 9075 | 9.31 | 19.79 | 98.28 | 0.88 |
| Cystic fibrosis | 22 704 | 9.30 | 14.24 | 96.47 | 1.59 | 1649 | 13.46 | 24.01 | 99.03 | 2.08 | 525 | 11.05 | 17.33 | 98.29 | 1.14 |
| Endometriosis | 187 539 | 5.32 | 22.95 | 98.56 | 0.40 | 31 405 | 6.17 | 30.43 | 99.18 | 0.36 | 8461 | 4.72 | 21.34 | 98.83 | 0.30 |
| Hepatitis B | 98 414 | 5.88 | 12.53 | 97.95 | 0.94 | 8175 | 4.24 | 14.45 | 95.11 | 0.43 | 2411 | 3.94 | 9.00 | 94.53 | 0.52 |
| Leiomyoma of uterus | 460 347 | 5.55 | 20.22 | 98.75 | 0.57 | 92 494 | 4.37 | 24.58 | 98.74 | 0.30 | 21 672 | 3.74 | 15.85 | 98.33 | 0.28 |
| Lupus | 51 794 | 8.46 | 20.60 | 98.75 | 1.26 | 5333 | 7.43 | 27.66 | 98.93 | 0.72 | 1500 | 7.47 | 20.00 | 98.87 | 0.85 |
| Multiple sclerosis | 231 609 | 8.75 | 17.16 | 97.93 | 2.63 | 19 881 | 7.08 | 23.99 | 98.80 | 0.62 | 6182 | 5.95 | 17.26 | 98.56 | 0.58 |
| Myositis | 94 037 | 9.99 | 21.12 | 98.67 | 1.66 | 16 338 | 6.33 | 24.95 | 98.07 | 0.64 | 5750 | 5.17 | 16.28 | 97.74 | 0.60 |
| Opioid dependence | 785 702 | 13.59 | 30.77 | 98.17 | 2.06 | 24 773 | 16.77 | 34.63 | 98.11 | 3.14 | 9190 | 13.88 | 28.05 | 97.64 | 1.94 |
| Rheumatoid arthritis | 267 057 | 7.73 | 17.34 | 98.94 | 1.02 | 25 622 | 6.05 | 23.17 | 99.55 | 0.48 | 8994 | 5.85 | 16.47 | 99.29 | 0.45 |
| Schizophrenia | 334 399 | 25.48 | 36.64 | 97.90 | 9.38 | 4357 | 29.97 | 39.84 | 97.13 | 6.93 | 1246 | 26.48 | 36.12 | 96.31 | 5.24 |
| Type 1 diabetes mellitus | 611 653 | 12.06 | 20.88 | 98.08 | 2.39 | 53 499 | 10.42 | 23.87 | 98.48 | 0.97 | 17 725 | 8.72 | 17.77 | 98.38 | 0.83 |
| Ulcerative colitis | 274 323 | 9.55 | 19.14 | 97.88 | 1.52 | 31 775 | 8.59 | 23.93 | 98.17 | 0.83 | 10 504 | 7.60 | 18.30 | 97.83 | 0.78 |
Abbreviations: ED, emergency department; LOS, length of stay.