A study evaluated the accuracy of using midstream urine (MSU) culture to identify the causative pathogen in patients with uncomplicated cystitis. Women ages 18-49 with symptoms of cystitis provided MSU specimens for culture. The investigators also collected urine by means of a urethral catheter for culture, which served as the gold standard for confirming the causative pathogen. Bacterial growth was determined in colony forming units per mL. Correlation coefficients (r) were calculated for several organisms by comparing the logarithm of bacterial growth in urethral catheter specimens to that of bacterial growth in MSU specimens. The following plots were reported: 
Which of the following organisms identified by MSU most likely has the lowest positive predictive value in revealing the causative pathogen for cystitis?
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Book Value
The net value of a company's assets minus its liabilities, often used to estimate the company's worth if it were liquidated.
Capital-intensive
Capital-intensive describes a business process or industry that requires large amounts of capital investment in heavy machinery and equipment to produce goods or services.
Accelerated Depreciation
A depreciation method that allocates larger amounts of the cost of an asset to the earlier years of its useful life.
Depreciation Expense
The allocated portion of the cost of a fixed asset that is written off each year over the asset's useful life.
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