# Table 4 Results of the Random Effect Panel Design Model (n = 193)

Dependent Variable Independent Variable Coef. 95% C.I. p-Value R-square
Lab test revenue as a percent of total revenue      0.33
constant 4.69% (4.06, 5.33) <.001
type = TCM -1.05% (-1.66, -0.45) 0.001
year = 2004 1.26% (0.81, 1.71) <.001
type*year 0.18%   0.568
Surgical revenue as a percent of total revenue      0.18
constant 5.51% (4.27, 6.74) <.001
type = TCM -2.08% (-3.25, -0.90) 0.001
year = 2004 2.40% (1.59, 3.22) <.001
type*year 1.24% (0.10, 2.39) 0.033
TCM drug revenue as a percent of total revenue for outpatient care      0.48
constant 5.15% (2.37, 7.93) <.001
type = TCM 14.49% (11.94, 17.05) <.001
year = 2004 -1.31% (-2.73, 0.10) 0.069
type*year -4.78% (-6.75, -2.81) <.001
TCM drug revenue as a percent of total revenue for inpatient care      0.27
constant 2.17% (1.11, 3.23) <.001
type = TCM 2.82% (1.82, 3.81) <.001
year = 2004 -0.85% (-1.51, -0.19) 0.012
type*year -0.55%   0.249
Western drug revenue as a percent of total revenue for outpatient care      0.26
constant 18.70% (16.41, 20.98) <.001
type = TCM 1.12%   0.273
year = 2004 -3.95% (-4.97, -2.95) <.001
Western drug revenue as a percent of total revenue for inpatient care      0.40
constant 24.15% (21.88, 26.41) <.001
type = TCM -9.15% (-11.26, -7.04) <.001
year = 2004 0.53%   0.43
type*year 1.73% (-0.11, 3.57) 0.067
1. Coef. - regression coefficients; 95 C.I. - 95% confidence interval for regression coefficient.
2. The model controlled covariates including the number of staffed beds, hospital level, and region of hospital located.