Table 3.

mRNA expression of dopamine D₁₋₄ and serotonin 5-HT_1A−3A receptors in PBMCs of study subjects (unadjusted for smoking).

	Schizophrenia (n = 27)	Control (n = 29)	P
D1
	91.46 ± 54.00 [70.10–112.82]	51.17 ± 53.42 [30.84–71.49]	0.001
D2
	27.68 ± 16.09 [21.31–34.05]	1.76 ± 1.37 [1.24–2.28]	<0.0001
D3
	1.60 ± 0.91 [1.23–1.96]	2.14 ± 1.90 [1.46–2.86]	0.45
D4
	32.64 ± 18.31 [25.40–39.89]	10.84 ± 9.47 [7.24–14.44]	<0.0001
5–HT1A
	3.32 ± 1.71 [2.64–4.00]	4.16 ± 3.23 [2.93–5.39]	0.57
5–HT2A
	10.92 ± 5.82 [8.61–13.22]	14.01 ± 11.39 [9.68–18.34]	0.53
5-HT3A
	0.24 ± 0.13 [0.19–0.29]	1.27 ± 1.07 [0.86–1.68]	<0.0001

Data given as mean ± standard deviation [95% confidence interval].