Table 2.

Summary of the drainage place, shape and size of the drainage tube, and tube insertion duration in each patient.

DRAINAGE PLACE	NUMBER OF PATIENTS	DRAINAGE TUBE SHAPE	SIZE (FR.)	TUBE INSERTION DURATION (DAYS)
Disk	16	Straight: 4	6–8*	7–11
		Pigtail: 12	8–10	4–35
Psoas	8	Straight	6.3–14	21–23
		Pigtail	8–14	5–38
Disk and psoas	6	Pigtail	8–10	7–26

*: Includes outer sheath of a 18G Surflo needle.