Table I.

Distribution of the main clinical characteristics and treatment procedures of study subjects.

Clinical characteristics	Mefenamic acid group	Placebo group	P-value
Number of patients	10	10
Age, years (Mean ± standard deviation)	71.88±9.42	67.44±5.50	0.240
Clinical stage			0.370
IIIA	40%	30%
IIIB	20%	0%
IIIC	10%	20%
IVB	30%	50%
Diabetes mellitus	20%	40%	0.437
High blood pressure	70%	50%	0.335
Statins	30%	20%	0.563
Hyperlipidemia	20%	30%	0.437
Cardiovascular diseases	50%	40%	0.581
Antidiabetics	20%	40%	0.437
Antiplatelets	0%	20%	0.206
Anticoagulants	10%	20%	0.735
Antihypertensives	70%	50%	0.335
Depression	10%	10%	0.735
Treatments
Radical prostatectomy	30%	10%	0.335
Radiotherapy	10%	10%	0.735
Other NSAIDs	0%	30%	0.082
Surgical castration	10%	0%	0.563
During the study
Radical prostatectomy	0%	0%	NA
Radiotherapy	10%	10%	0.735
Chemotherapy	0%	0%	NA
Other NSAIDs	30%	0%	0.175
Gastritis	30%	10%	0.400

NA, not applicable; NSAIDs, non-steroidal anti-inflammatory drugs.