Methylphenidate Efficacy: Immediate versus Extended Release at Short Term in Mexican Children with ADHD Assessed by Conners Scale and EEG

Table 2

	Parents ER					Teachers ER
	Conners (before)		Conners (after)			Conners (before)		Conners (after)
	Mean	Standard error	Mean	Standard error		Mean	Standard error	Mean	Standard error
Oppositionism	68.38	3.522	59.85	3.861	0.005	66.85	4.883	57.92	3.343	0.004
Cognitive problems	73.77	2.827	66.69	2.960	0.005	73.62	1.243	64.15	1.750	0.000
Hyperactivity	77.46	2.645	67.00	3.258	0.003	69.92	4.202	61.92	3.480	0.063
Anxiety, timidity	63.77	4.442	56.00	4.486	0.001	71.92	3.348	63.62	3.680	0.018
Perfectionism	59.08	4.002	51.38	3.748	0.001	59.00	4.103	54.38	3.719	0.207
Social problems	68.08	3.104	57.38	3.253	0.009	68.31	3.426	56.08	2.894	0.002
Psychosomatics	65.08	4.055	57.38	3.447	0.074
Conners ADHD	73.92	2.702	63.31	2.466	0.000	75.31	2.841	65.85	3.044	0.025
CGI restless-impulsive	72.85	3.002	61.69	2.263	0.001	72.38	3.025	63.46	3.054	0.033
CGI emotional instability	62.54	3.738	56.69	2.502	0.151	70.77	4.147	58.38	3.167	0.024
CGI total	71.38	2.949	61.08	2.288	0.001	74.54	3.153	62.85	2.729	0.005
DSM IV inattentive	74.38	2.742	64.92	3.029	0.004	72.23	2.023	64.38	1.920	0.003
DSM IV hyperactive-impulsive	77.69	2.744	66.85	3.425	0.003	69.08	4.034	59.77	3.523	0.021
DSM IV total	77.38	2.490	67.00	3.132	0.002	73.15	2.937	63.85	2.606	0.008

ER = extended release.
Significance = .