Table 4.

Pre-Post Test: Inter-Hospital Variation in Caesarean Section According to Use of Diagnostic Technology (Hospital-Level Analyses, Ordinary Least Squares Estimation, Hospital Fixed Effects Included)

		Number of Hosptials	Coefficient of Variation (Mean)	Regression Coefficient† (Standard Error)
Hospitals with a change in the number of types of diagnostic technology:
From	0	25	78.1	−15.6*
to	1		62.5	(4.96)
From	1	24	59.9	−16.0*
to	2		43.8	(4.12)
From	2	24	33.3	−0.005
to	3		33.4	(1.27)
From	3	9	22.5	−0.15
to	4		22.3	(0.91)
Hospitals with a change in types of diagnostic technology:
From	None	17	82.1	−16.7**
to	Cardiotocography		65.2	(6.03)
From	None	8	75.8	−15.4
to	Ultrasound		60.5	(10.1)
From	None	38	76.7	−29.5*
to	Ultrasound and cardiotocography		46.9	(3.69)
From	Cardiotocography	17	59.7	−13.6*
to	Cardiotocography and ultrasound		46.0	(4.90)
From	Ultrasound	8	55.9	−16.9**
to	Ultrasound and cardiotocography		38.9	(6.40)

^†Dependent variable: the coefficient of variation.

^*p ≤ 0.01,

^**p ≤ 0.001.