Factors prompting PSA-testing of asymptomatic men in a country with no guidelines: a national survey of general practitioners

Drummond, Frances J; Carsin, Anne-Elie; Sharp, Linda; Comber, Harry

doi:10.1186/1471-2296-10-3

Table 6 Factors associated with PSA testing asymptomatic men < 50 and > 75 years.

From: Factors prompting PSA-testing of asymptomatic men in a country with no guidelines: a national survey of general practitioners

		yes		Total	Univariate	Multivariate
		Num	%	Num	OR [95%CI]	OR [95%CI]
*GP Characteristics*
Gender	Male	564	65.1	867	1.00	1.00
	Female	268	65.7	408	1.03 [0.80,1.32]	1.07 [0.82,1.41]
						P = 0.615
Age group	< 50 years	394	65.2	604	1.00	1.00
	≥ 50 years	429	65.0	660	0.99 [0.79,1.25]	0.97 [0.75,1.26]
						P = 0.513
Worked or trained in UK	No	519	63.5	817	1.00	1.00
	Yes	313	68.3	458	1.23 [0.97,1.58]	1.35 [1.05,1.74]
						P = 0.020
Post-graduate qualifications
Occupational Health	No	731	66.3	1,103	1.00	1.00
	Yes	61	53.5	114	0.59 [0.40,0.86]	0.67 [0.45,1.00]
						P = 0.051
MD	No	824	65.8	1,252	1.00	1.00
	Yes	8	34.8	23	0.28 [0.12,0.66]	0.30 [0.12,0.73]
						P = 0.008
*Clinical Practice*
Lowest PSA level at which to refer a 55 yr old man for urological assessment					1.00	1.00
	≤ 7 ng/ml	541	67.4	803
	≥ 7 ng/ml	206	62.0	332	0.79 [0.61,1.03]	0.72 [0.54,0.95]
	Lab reference range	77	59.7	129	0.72 [0.49,1.05]	0.74 [0.59,1.11]
						P = 0.062
How often should a PSA test be performed in men aged ≥ 50 years?
Annually or less?	No	472	59.5	793	1.00	1.00
	Yes	347	75.9	457	2.15 [1.66,2.77]	2.08 [1.59,2.71]
					p < 0.001	p < 0.001
Do you have a policy on PSA testing
	No	345	62.3	554	1.00	1.00
	Yes	487	67.5	721	1.26 [1.00,1.59]	1.36 [1.06,1.75]
						p = 0.014
Do you perform other tests routinely with PSA
	Yes	532	69.6	764	1.00	1.00
	No	299	59.2	505	0.63 [0.50,0.80]	0.63 [0.49,0.81]
						p < 0.001
Asymptomatic man diagnosed with PCa via PSA testing
	Yes	617	66.8	923	1.27 [0.99,1.65]	1.24 [0.94,1.63]
	No	207	61.2	338	1.00	1.00
						p = 0.205
Consider having a PSA test yourself
	No	23	47.9	48	1.00	1.00
	Yes	541	66.1	819	2.15 [1.20,3.86]	2.02 [1.10,3.72]
						p = 0.034

The multivariate model was fully adjusted for age, gender, health board, having more than 50% patients with private health insurance, having worked or trained in UK, having a policy regarding PSA testing and having an occupational health or an MD post-graduate qualification. PCa = prostate cancer

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