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CPG for Psychosocial Interventions in Severe Mental ... - GuíaSalud

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General global state<br />

In the short run, a difference was observed <strong>in</strong> favour of CBT <strong>in</strong> agreement<br />

with the measurements carried out with the Global Assessment Scale (GAS)<br />

when compared with standard treatment. (2 RCT; n =100; WMD = 7.58;<br />

95% CI: between 2.93 and 12.22; p = 0.001) 32 ; <strong>in</strong> mid-term (1 RCT; n = 67;<br />

WMD = 12.6; 95% CI between 5.8 and 1.43; p = 0.0003) 39 ; <strong>in</strong> the long term<br />

this effect was no longer significant (2 RCT; n = 83; WMD = 4.51; 95% CI:<br />

between -0.3 and 9.32; p = 0.07) 32 .<br />

SR (1-)<br />

RCT (1-)<br />

SR (1-)<br />

<strong>Mental</strong> state<br />

In the “no cl<strong>in</strong>ically significant improvement” measurement, the comb<strong>in</strong>ed SR (1-)<br />

data showed a significant difference <strong>in</strong> favour of CBT adm<strong>in</strong>istered with<br />

standard treatment, compared with standard treatment alone, when this result<br />

was measured between weeks 13 and 26 ( 2 RCT; n = 123; RR = 0.7;<br />

95% CI between 0.6 and 0.9: NNT = 4; 95% CI between 3 and 9) The difference<br />

was no longer significant after one year (5 RCT; n = 342; RR = 0.91;<br />

95% CI between 0.74 and 1.1) 32<br />

Scores <strong>for</strong> general symptoms: No significant differences were observed SR (1-)<br />

<strong>in</strong> the short or medium term when CBT adm<strong>in</strong>istered with standard treatment<br />

was compared with standard treatment alone (short term; 2 RCT; n =<br />

126; WMD = 0.05; 95% CI: between -2.9 and 3; p = 1) 32 ; (medium term,<br />

1 RCT; n = 52; WMD= -1.7; 95% CI: between -5.4 and -0.2; proof of the RCT (1-)<br />

global effect = -0.90; p = 0.4) 40 . However, after 18 months a statistically significant<br />

improvement was observed <strong>in</strong> the people assigned to CBT (1 RCT;<br />

n = 47; WMD = -4.7; 95% CI: between -9.2 and -0.2; p = 0,04) 40<br />

Specific symptoms: When groups with specific symptoms were assessed,<br />

<strong>in</strong> the case of halluc<strong>in</strong>ations a significant effect was observed <strong>in</strong> the<br />

RCT (1-)<br />

long term <strong>in</strong> favour of CBT comb<strong>in</strong>ed with standard treatment ( 1 RCT; n=<br />

62; RR = 0.53; 95% CI: between 0.3 and 0.9) 34<br />

No effect of CBT was observed <strong>in</strong> the conviction of delusional beliefs<br />

dur<strong>in</strong>g the same period of time (1 RCT, n = 62; RR = 0.8; 95% CI; between<br />

0.4 and 1.3) 34<br />

Two trials described significant effects <strong>in</strong> favour of cognitive-behavioural<br />

therapy when the subscales of the PANSS were considered. A signifi-<br />

SR (1-)<br />

cant effect was observed <strong>for</strong> the positive symptoms (2 RCT; n = 167, WMD<br />

= -1, 95% CI: between -1.9 and -0.04; proof of the global effect = -2.04; p =<br />

0.04), the negative symptoms (2 RCT; n = 167; WMD = -2.3; 95% CI: between<br />

-3.8 and -0.8; proof of the global effect = -3.05; p = 0.002), the global<br />

symptoms (2 RCT; n = 167; WMD = -2.59; 95% CI: between -4.91 and -03;<br />

proof of the global effect = -2.20 and p = 0.03) 32<br />

Quality of life<br />

No significant effects were observed <strong>in</strong> the quality of life accord<strong>in</strong>g to the RCT (1-)<br />

Quality of Life Scale (1 RCT, n = 40, WMD = 9.7; 95% CI: between -3.2<br />

and 2.2; proof of the global effect = 1.47; p = 0.14) 33<br />

CLINICAL PRACTICE GUIDELINES FOR PSICHOSOCIAL INTERVENTIONS IN SEVERE MENTAL ILLNESS 41

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