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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: JAMA Psychiatry. 2013 Nov;70(11):1152–1160. doi: 10.1001/jamapsychiatry.2013.1969

Table 2.

Relapse and/or recurrence rates in the three treatment arms over 8, 20, and 32 months post-randomization.

Time since
randomization
Rate of Relapse/Recurrence Log-
rank
p-
value
Hazard Ratio
(95% CI)

PBO FLX C-CT FLX
or
CCT
8 Months 32.7% 18.0% 18.3% 18.3%
  FLX vs. C-CT 0.038 .42 1.079 (0.50, 2.34)
  PBO vs. FLX 3.916 .02 0.481 (0.23, 1.01)
  PBO vs. C-CT 3.391 .03 0.519 (0.26, 1.06)
  PBO vs. FLX or C-CT 5.057 .01 0.501 (0.27, 0.93)

20 Months 42.7% 35.1% 35.0% 35.1%
  FLX vs. C-CT 0.002 .48 0.988 (0.55, 1.76)
  PBO vs. FLX 1.190 .14 0.717 (0.39, 1.31)
  PBO vs. C-CT 1.262 .13 0.715 (0.40, 1.29)
  PBO vs. FLX or C-CT 1.595 .10 0.717 (0.43, 1.20)

32 Months 56.3% 41.1% 45.2% 43.2%
  FLX vs. C-CT 0.070 .40 1.075 (0.63, 1.84)
  PBO vs. FLX 2.407 .61 0.649 (0.37, 1.13)
  PBO vs. C-CT 1.731 .09 0.701 (0.41, 1.19)
  PBO vs. FLX or C-CT 2.705 .05 0.676 (0.42, 1.08)

: Hazard ratios for the category listed second; CI: Confidence interval.