Table 5.

Permanent v. Nonpermanent Retention of Secondary Data

		Retention Periods
Secondary Data	# of Responses	Permanently	Specified # of Years	Other Response
		f (%)	f (%)	f (%)
Diagnostic images/films	64	15 (23.4)	45 (70.3)	4 (6.3)
Fetal heart monitors	74	36 (48.6)	30 (40.5)	8 (10.8)
Master patient index	73	72 (98.6)	1 (1.4)	0 (0.0)
Disease index	69	54 (78.3)	11 (15.9)	4 (5.8)
Operative index	70	55 (78.6)	12 (17.1)	3 (4.3)
Physician index	67	52 (77.6)	10 (14.9)	5 (7.5)
Register of births	71	60 (84.5)	3 (4.2)	8(11.3)
Register of deaths	67	58 (86.6)	5 (7.5)	4 (5.9)
Register of surgeries	68	58 (85.3)	5 (7.4)	5 (7.4)