Table 5.
|
Intervention arm |
Control arm |
Unadjusted differences |
Odds ration modeled difference‡ |
P value |
|
---|---|---|---|---|---|---|
n = 13,901 | n = 10,266 | Count | Percent | (95% Wald CI) | ||
Overall |
272.42 |
125.46 |
146.96 |
117.1% |
66.97%(58.78% to 75.15%) |
<.0001 |
|
n = 5,286 |
n = 3,035 |
|
|
|
|
Preference-Sensitive Back Surgery |
238.17 |
130.8 |
107.37 |
82.1% |
45.26%(30.28% to 60.24%) |
<.0001 |
|
n = 8,615 |
n = 7,231 |
|
|
|
|
Preference-Sensitive Joint Surgery | 293.44 | 123.21 | 170.23 | 138.2% | 75.59%(65.76% to 85.43%) | <.0001 |
‡Zero inflated Poisson regression - using number of Communications in prior 12 months as Zero inflation factor. Odds ratio adjusted for age category, gender, study wave, preference-sensitive condition (overall model only), prior year’s facility, physician, pharmacy and ancillary costs.