Cough

Table 1 Study Subject Characteristics

From: PCR based bronchoscopic detection of common respiratory pathogens in chronic cough: a case control study

	Healthy volunteers	Chronic cough			HV vs. all patients (P-value)
		All patients	Lymphocytes <10%	Lymphocytes >20%
n	10	20	10	10	-
Age (yr)	31.0 (29.25-42)	57.0 (51–61.75)	57.5 (50.5-59.75)	57.0 (51.5-64.75)	P < 0.001 ^†
Male, n	5	7	4	3	P = 0.461^◊
Cough Duration (yr)	n/a	6.6 (1.64)	5.9 (1.99)	7.3 (2.69)	-
Smoking status
Never	9	14	7	7	P = 0.372^◊
Ex	1	6	3	3
Pack Years	1.0	7.0 (3–9.5)	8.0 (7–9)	2.0 (1.5-12.5)	P = 0.356^†
BAL lymphocyte %	9.5 (6.25-12.5)	15.5 (6.5-30.25)	6 (3.5-8.5)	30.5 (22–32)	P = 0.402^†

Data expressed as mean (SEM) or Median (IQR, 25th-75th Percentile). Data were compared using Mann–Whitney U-test (†) or Fisher’s exact test (◊).

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