Prevalence of depression and anxiety in systemic lupus erythematosus: a systematic review and meta-analysis

BMC Psychiatry

Table 5 Pearson's and Spearmen’s correlation between study characteristics and prevalence estimates

Study characteristic	Depression prevalence estimate			Anxiety prevalence estimate
Study characteristic	No. of studies	r	P	No. of studies	r	P
Female, %	59	0.03	0.84	24	0.07	0.76
Mean/medium age, year	55	−0.13	0.35	23	−0.18	0.94
Mean/medium disease duration, year	53	−0.07	0.64	21	0.24	0.29
Representativeness	59	0.03	0.85	24	0.08	0.70
Sample size	59	0.12	0.38	24	0.01	0.97
Comparability	59	0.24	0.07	24	−0.11	0.61
Overall quality	59	0.13	0.33	24	−0.10	0.64
Country of origin	59	0.01	0.92	24	−0.10	0.63
Publication year	59	0.26^*	0.04	24	−0.04	0.84

ISSN: 1471-244X