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. 2019 Sep-Oct;61(5):480–485. doi: 10.4103/psychiatry.IndianJPsychiatry_484_18

Table 3d.

Effect of ketamine treatment over time: Clinical global impression - improvement scale scores (n=20)

Mean±SD t df Significant (two-tailed)
Pair 10
 Clinical global impression - improvement at the 1st h of the first dose 3.35±0.75 11.96 19 0.000***
 Clinical global impression - improvement at the end of 2 weeks 1.75±0.79
Pair 11
 Clinical global impression - improvement at the 1st h of the first dose 3.35±0.75 6.097 19 0.000***
 Clinical global impression - improvement at follow-up after 1 month 1.85±1.14

*P<0.05; **P<0.01; ***P<0.001. SD – Standard deviation