Budget Impact Analysis – 5-year BIA framework with population sizing, uptake curves, and discounting (ISPOR Good Practice guidelines).
PPP Currency Converter – Purchasing Power Parity conversion across 30 countries (World Bank 2022 ICP data), market exchange rate comparison, and WHO-CHOICE WTP threshold assessment (1x and 3x GDP per capita).
New Conversions
OR to RR / RR to OR – Convert between Odds Ratios and Relative Risks using baseline risk (Zhang & Yu 1998 method).
Effect Size Transformations – Convert between SMD and log(OR) using the Chinn (2000) formula for network meta-analysis preparation.
Standalone NNT/NNH Calculator – Calculate Number Needed to Treat from four input modes: ARR, RR + baseline, OR + baseline, or direct probabilities.
Log-rank to HR – Estimate Hazard Ratios from published log-rank chi-square or p-value using the Peto approximation.
New Distributions and Models
Dirichlet Distribution – Fit Dirichlet parameters for multinomial transition probabilities in Markov models (via Gamma decomposition).
Log-Logistic Survival – Third survival extrapolation option with non-monotonic (hump-shaped) hazard support.
Annuity / PV Stream Calculator – Present value of recurring annual costs (ordinary annuity and annuity due).
Interface Improvements
Global Currency Selector – Switch between INR, USD, EUR, GBP, JPY, BRL, THB, AUD, CAD, and custom currencies. All economic modules update automatically.
Interactive Tool Overview – Collapsible accordion on the Home page with clickable tool items that navigate directly to the relevant module.