Table 2 |
||||||
Summary of linear trend tests for incidence rates of hospitalizations due to a primary diagnosis of sarcoidosis (Nationwide Inpatient Sample, 1998–2008) | ||||||
Trend | Difference | |||||
Coef. | Std. Err. | P-Value | Coef. | Std. Err. | P-Value | |
Age: < 55 | −0.2604 | 0.0770 | 0.0007* | −0.6434 | 0.0968 | < 0.0001* |
Age: > = 55 | 0.3830 | 0.0587 | < 0.0001* | |||
Race: Black | 0.5696 | 0.3495 | 0.1032 | 0.4970 | 0.3519 | 0.1579 |
Race: Non-Black | 0.0726 | 0.0412 | 0.0780 | |||
Gender: Female | 0.0423 | 0.0698 | 0.5445 | 0.0406 | 0.0992 | 0.6824 |
Gender: Male | 0.0017 | 0.0705 | 0.9808 | |||
Payer: Medicaid | −0.1288 | 0.1105 | 0.2438 | −0.1776 | 0.1249 | 0.1552 |
Payer: Non-Medicaid | 0.0488 | 0.0583 | 0.4026 |
The linear time trend (monthly time index / 1000) is included in all models as a deterministic covariate.
The difference is defined by the slope in the first category minus the slope in the second category.
* indicates significance at 0.05 level.
Gerke et al.
Gerke et al. BMC Pulmonary Medicine 2012 12:19 doi:10.1186/1471-2466-12-19