Table 6.
The mean (standard deviation) for the primary measures by practice setting and ICD-9-CM codes
| Practice setting | Diagnosis | Number of cases | Mean visits per episode | SD | Mean units per episode | SD | Ratio passive/total units | SD |
|---|---|---|---|---|---|---|---|---|
| Physician offices | Arthropathy | 1,340 | 12.79 | 13.32 | 52.92 | 68.57 | .30 | .23 |
| Dorsopathy | 926 | 9.86 | 9.36 | 38.31 | 44.30 | .29 | .25 | |
| Sprains and strains | 2,434 | 9.00 | 10.29 | 37.09 | 53.32 | .40 | .24 | |
| Fractures and dislocations | 383 | 13.31 | 12.22 | 54.01 | 59.00 | .25 | .22 | |
| Other | 16 | 8.19 | 7.29 | 32.06 | 35.30 | .40 | .21 | |
| Total | 5,099 | 10.47 | 11.29 | 42.73 | 57.17 | .34 | .24 | |
| Corporate physical therapy clinics | Arthropathy | 6,941 | 15.70 | 14.59 | 82.20 | 98.97 | .22 | .18 |
| Dorsopathy | 4,712 | 11.90 | 11.19 | 58.75 | 66.87 | .21 | .18 | |
| Sprains and strains | 7,817 | 10.51 | 10.25 | 51.74 | 64.30 | .24 | .18 | |
| Fractures and dislocations | 2,049 | 16.72 | 15.05 | 90.49 | 123.93 | .17 | .15 | |
| Other | 99 | 13.18 | 11.84 | 66.49 | 69.69 | .26 | .22 | |
| Total | 21,618 | 13.08 | 12.73 | 66.79 | 85.54 | .22 | .18 | |
| Occupational medicine | Arthropathy | 566 | 8.20 | 11.40 | 37.04 | 50.03 | .43 | .20 |
| Dorsopathy | 351 | 7.41 | 8.96 | 30.17 | 34.33 | .42 | .19 | |
| Sprains and strains | 2,479 | 6.19 | 6.08 | 28.55 | 31.28 | .40 | .22 | |
| Fractures and dislocations | 106 | 10.81 | 15.32 | 43.20 | 61.11 | .35 | .23 | |
| Other | 26 | 5.50 | 3.71 | 22.42 | 15.96 | .37 | .19 | |
| Total | 3,528 | 6.77 | 7.93 | 30.47 | 36.52 | .40 | .22 | |
| Hospital-based | Arthropathy | 677 | 12.16 | 12.19 | 51.17 | 64.22 | .26 | .23 |
| Dorsopathy | 381 | 10.94 | 11.49 | 46.93 | 87.16 | .26 | .24 | |
| Sprains and strains | 1,086 | 7.83 | 8.98 | 32.84 | 56.66 | .36 | .23 | |
| Fractures and dislocations | 167 | 15.71 | 14.43 | 70.56 | 82.97 | .19 | .19 | |
| Other | 14 | 8.71 | 8.99 | 46.00 | 57.80 | .24 | .32 | |
| Total | 2,325 | 10.17 | 11.13 | 43.27 | 67.64 | .30 | .24 | |
| Private physical therapy practices | Arthropathy | 12,464 | 14.30 | 13.35 | 60.70 | 70.67 | .26 | .21 |
| Dorsopathy | 8,430 | 11.34 | 11.23 | 46.76 | 55.25 | .28 | .23 | |
| Sprains and strains | 13,038 | 9.90 | 10.37 | 41.65 | 51.94 | .31 | .22 | |
| Fractures and dislocations | 3,599 | 14.99 | 13.51 | 64.52 | 71.92 | .22 | .20 | |
| Other | 204 | 14.03 | 13.93 | 61.65 | 75.77 | .31 | .22 | |
| Total | 37,735 | 12.18 | 12.11 | 51.37 | 62.22 | .28 | .22 | |
| Entire sample | Arthropathy | 21,988 | 14.43 | 13.74 | 66.11 | 80.85 | .25 | .20 |
| Dorsopathy | 14,800 | 11.33 | 11.09 | 49.66 | 59.63 | .26 | .22 | |
| Sprains and strains | 26,854 | 9.57 | 10.03 | 42.61 | 55.14 | .31 | .22 | |
| Fractures and dislocations | 6,304 | 15.40 | 14.05 | 72.12 | 92.60 | .21 | .19 | |
| Other | 359 | 12.71 | 12.68 | 58.22 | 70.22 | .30 | .22 | |
| Total | 70,305 | 12.00 | 12.13 | 54.17 | 69.84 | .27 | .21 |