Table 1.

Characteristics of thank you letters in content analysis (N=100).

Characteristic			n (%)
Author
	Patient
		Male	14 (14)
		Female	38 (38)
		Unspecified	28 (28)
	Relative
		Male	2 (2)
		Female	4 (4)
		Unspecified	13 (13)
	Other
		Male	1a (1)
Type of institution, unspecified
	University hospital or medical center		12 (12)
	Regional or community hospitals		55 (55)
	Clinic or specialty center		33 (33)
Location, unspecified
	United States		84 (84)
	United Kingdom		16 (16)

^aThis letter was from a military commander thanking a neurosurgeon for his work to advance treatment and asking for advice to help take care of wounded soldiers under his command.