Empirical Evaluation of the Repertory Rubric “Anger, Consoled, when” Using Likelihood Ratio-based Prognostic Factor Analysis in Individualized Homeopathic Practice

Abstract The rubric “Anger, consoled, when” is described in several homeopathic repertories and materia medica sources, but its prognostic relevance has not been quantitatively examined. This study applied likelihood ratio (LR)-based prognostic factor research (PFR) to evaluate its real-world utility in individualized homeopathic practice, aiming to bridge traditional knowledge with evidence-based validation. This analytical epidemiological longitudinal study prospectively documented clinical outcomes in routine outpatient care at D. N. De Homoeopathic Medical College and Hospital, Kolkata, India. Adult patients receiving individualized homeopathic treatment were followed for 3 months. Clinical outcomes were assessed using the Outcome Related to Impact on Daily Living (ORIDL) scale, with scores ≥ + 2 indicating clinically meaningful improvement. Remedy-specific LR+ and LR− with 95% confidence intervals (CIs) were calculated using 2 × 2 contingency tables. LR+ indicates the certainty that the given medicine will work in the given condition; LR− indicates the relationship between a symptom and a medicine if the symptom is absent. In addition, phi (Φ) coefficient statistics were applied to quantify the strength and direction of symptom–medicine associations, providing complementary effect-size information that enhanced interpretation of the prognostic relationships. From 1,740 screened patients, 1,699 (97.5%) completed follow-up (mean age: 42.3 years; 62% female). A total of 73 homeopathic medicines were prescribed. Chamomilla exhibited the highest prognostic rule-in value (LR+ 2.0, 95% CI: 1.6 to 2.5), whereas Natrum muriaticum demonstrated the strongest symptom–remedy association (Φ = 0.118). Moderate associations (LR+ 1.5–1.9) occurred with Kalium iodatum, Natrum muriaticum, Arsenicum album, Natrum carbonicum, Sepia officinalis, and Staphysagria macrosperma. Phi analysis confirmed significant positive correlations (Φ = 0.12–0.18, p < 0.01) for Natrum muriaticum, Chamomilla, Sepia officinalis and Arsenicum album; Causticum showed a negative association (Φ = − 0.11, p = 0.03). The LR-PFR empirically validated rubric “Anger, consoled, when”, identifying Chamomilla as the prognostically strongest remedy, whereas Natrum muriaticum demonstrated the strongest statistical association with the rubric. Integrating phi into PFR enhanced the interpretation of association magnitude, thereby informing evidence-based repertory updates and clinical decision-making in homeopathy.