TABLE 2.

Characteristics of 12 immunocompetent patients with primary pulmonary disease and P. carinii colonization as detected by single and nested PCRs

Patient	Age (yr)	Sexa	Primary pulmonary disease(s)b	Length of intubation (days)	Length of follow-up time without PCP	Single PCR result	Nested PCR result
1	47	M	Chronic lung fibrosis	2	19 mo	Positive	Positive
2	71	M	Carnified bacterial pneumonia	8	LFd	Negative	Positive
3	76	F	Bacterial pneumonia	8	1 mo	Negative	Positive
4	25	F	ARDS, lung embolism	NIc	LF	Negative	Positive
5	21	F	Bacterial pneumonia	4	LF	Negative	Positive
6	37	M	Bacterial pneumonia	7	1 mo	Negative	Positive
7	32	M	Chronic lung fibrosis, COPD	12	3 mo (died)	Negative	Positive
8	64	F	Lung edema, postsurgical pneumonia	10	LF	Negative	Positive
9	73	M	ARDS, COPD	12	NFe	Positive	Positive
10	45	M	SIRS, COPD	7	LF	Negative	Positive
11	77	M	Hamman-Rich syndrome	NI	14 days (died)	Negative	Positive
12	26	M	Lung fibrosis, pleuraempyem	NI	5 mo	Positive	Positive

^aM, male; F, female. 

^bARDS, acute respiratory distress syndrome; COPD, chronic obstructive pulmonary disease; SIRS, systemic inflammatory response syndrome. 

^cNI, no intubation. 

^dLF, lost to follow-up. 

^eNF, no follow-up due to death of patient.