TABLE IV.

Topic distribution based on pain change

Pain Change	Most Prevalent Words in Topic-1	Most Prevalent Words in Topic-2
Pain increase	pain, progress, medication, management, patient, schedule, pca, intervention	pain, patient, give, goal, intervention, dose, button, plan
Pain uncertain	pain, patient, goal, continue, plan, improve, decrease, develop	outcome, pain, problem, knowledge, regimen, deficit, carry, method
Pain unchanged	pain, progress, level, control, develop, plan, regimen, pca	patient, pain, remain, well, demand, plan, level, manage
Pain decrease	pain, progress, patient, decrease, plan, regimen, satisfy, alter	pain, patient, improve, satisfy, control, decrease, manage, ability