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Arch Gen Psychiatry. 1993;50(1):77. doi:10.1001/archpsyc.1993.01820130083019.
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Table 2 Mis-set  In the article titled "Polysomnographic Characteristics of Young Manic Patients: Comparison With Unipolar Depressed Patients and Normal Control Subjects," published in the May issue of the Archives (1992;49:378-383), Table 2 on page 380 was mis-set. It should have been set as follows.The journal apologizes for the error.*Mean of 2 to 4 consecutive nights, except where noted. REM indicates rapid eye movement.tDuncan's multiple range test on variables with differences among groups at P<.05 by Kruskal-Wallis analysis of variance; M indicates mania; D, depression; N, normal; NS, not significant; significance of differences between groups computed by Wilcoxon Rank-sum test, two tailed.‡Mania vs normal, P<.01.§Mania vs depression, P<.01.∥Mania vs normal, P<.001.¶Depression vs normal, P<.05.#Mania vs normal, P=.11.**Depression vs normal, P<.01.††Mania vs normal, P<.05.‡‡Depression vs normal, P<.001.


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