TMZ only

Patient volume	Medical cost (10 thousand yen)
	n	Geometric mean	95% CI
1–10	82	162.2	27.4–958.9
11–20	55	107.6	11.8–984.2
21–50	82	137.1	17.4–1080.5
51–100	105	101.7	11.3–918.6
≧101	93	83.1	12.5–554.3