Table 8

Adjusted incremental costs and QALYs for the active treatments versus treatment as usual (using complete cases and multiple imputation data at 24 months post-treatment)

Incremental cost mean (95% CI)Incremental QALYs; mean (95% CI)Additional cost per QALY*
Complete cases
TAU (n=59)
 tCBT (n=53)£574 (−£441 to £1554)0.097 (−0.048 to 0.240)£5917
 Exercise (n=61)£1924 (£782 to £3295)0.025 (−0.099 to 0.154)Dominated
 Combined (n=61)£1778 (£690 to £3009)0.047 (−0.086 to 0.182)Dominated
Multiple imputation data
TAU
 tCBT£554 (−£121 to £1297)0.140 (0.046 to 0.236)£3957
 Exercise£1256 (£488 to £2097)0.071 (−0.019 to 0.165)Dominated
 Combined£1453 (£684 to £2300)0.096 (0.000 to 0.189)Dominated
  • *Incremental cost-effectiveness ratio (ICER) expressed relative to next less costly non-dominated alternative. †Reference group.

  • QALY, quality adjusted life year; TAU, treatment as usual; tCBT, telephone cognitive behavioural therapy.