Table 4.

Effect of the Intervention over Time—Experimental Group Only

			Period 2 vs. Period 3
Measure	n	Period 1  Mean (std)	Period 2  Mean (std)	Period 3  Mean (std)	Mean Difference	p*
Team Behavior
Team dimension ratings	6	30.4	57.0	58.3	1.4	.710
		(14.3)	(10.7)	(14.5)
Subjective workload	6	33.7	38.2	35.1	−3.1	.081
		(10.6)	(8.2)	(10.1)
ED Performance
Observed errors	5	30.9%	4.4%	2.8%	−1.6%	.720
		(22.5%)	(4.9%)	(6.2%)
Admission evaluation	6	80.5	83.4	85.7	2.4	.157
		(4.8)	(2.2)	(3.6)
Attitude and Opinion
Staff attitudes toward	6	75.0	78.5	73.2	−5.2	.200
teamwork		(1.8)	(1.7)	(8.0)
Staff perceptions of	6	76.2	83.1	76.6	−6.5	.131
support		(3.4)	(4.4)	(5.6)
Patient satisfaction	6	90.7	92.6	91.9	−0.7	.565
		(2.1)	(3.9)	(3.4)

^*Two-sided value for paired t-test.