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Table 1 Confirmatory factor analyses.

From: Data-driven subtypes of major depressive disorder: a systematic review

Author Number of factors Items in analysis Explained variance TLI CFI RMSEA Factor correlation
Uher [12] 1 MADRS 0.57 0.99 0.97 0.10 NA
  1 HRSD-17 0.36 0.93 0.87 0.09 NA
  1 HRSD-6* 0.48 0.99 0.98 0.07 NA
  1 BDI 0.48 0.97 0.88 0.10 NA
  1 All 48 items 0.45 0.90 0.63 0.17 NA
Lux [35] 1 9 MDD symptoms - 0.97 0.96 0.07 NA
  2 9 MDD symptoms - 0.97 0.97 0.06 0.83
  1. Abbreviations: BDI, Beck Depression Inventory; CFI, Confirmatory Fit Index; HRSD, Hamilton Rating Scale for Depression; MADRS, Montgomery and Åsberg Depression Rating Scale; MDD, major depressive disorder; NA, not applicable; * HRSD-6 contains 6 items out of the HRSD-17 (items 1,2,7,8,10,13) corresponding to depressive symptoms 1,2,5b,6,7; - not recorded.