# From C. R. Charig et al. (1986) British Medical Journal 292:879-882				
# https://doi.org/10.1136/bmj.292.6524.879				
#				
# Table II, summarized, subset, and reconstituted numbers of patients				
# group*.total is the total number of patients in the treatment group				
# group*.success is the number of patients treated with success				
# Percutaneous nephrolithotomy: A scope is inserted through a small incision in your back to remove the kidney stones				
# Shockwave lithotripsy = ESWL in the paper				
#				
treatment	group1.total	group1.success	group2.total	group2.success
Open surgery	81	75	192	140
Percutaneous nephrolithotomy	234	203	55	38
Shockwave lithotripsy	200	195	101	83