(a.) One more than twelve; ten and three; as, thirteen ounces or pounds.
(n.) The number greater by one than twelve; the sum of ten and three; thirteen units or objects.
(n.) A symbol representing thirteen units, as 13 or xiii.
Example Sentences:
(1) Thirteen patients with bipolar affective illness who had received lithium therapy for 1-5 years were tested retrospectively for evidence of cortical dysfunction.
(2) Thirteen patients had had a posterior dislocation with an associated fracture of the femoral head located either caudad or cephalad to the fovea centralis (Pipkin Type-I or Type-II injury), one had had a posterior dislocation with associated fractures of the femoral head and neck (Pipkin Type III), two had had a posterior dislocation with associated fractures of the femoral head and the acetabular rim (Pipkin Type IV), and three had had a fracture-dislocation that we could not categorize according to the Pipkin classification.
(3) Thirteen of the dogs treated with various drug regimens lived for 90 days, after which time treatment was stopped; 10 of the dogs eventually rejected the grafts, but three had continued graft function for 6 months or longer and may be permanently tolerant.
(4) Thirteen per cent were in prison and 12% were resident in a therapeutic community.
(5) Thirteen patients with end-stage renal disease aged 70 years have been successfully treated by chronic dialysis treatment.
(6) Thirteen (33%) also had peripheral blood involvement.
(7) Thirteen asthmatic subjects (six aspirin tolerant and seven aspirin intolerant) in a stable clinical condition and ten healthy subjects were studied.
(8) Thirteen soft tissue sarcomas with ultrastructural evidence of nerve sheath differentiation were investigated by immunohistochemistry.
(9) Thirteen of the fourteen melanomas detected were on anatomic sites normally covered by clothing.
(10) Thirteen patients responded favorably to the drug, with a significant increase in systemic arterial blood pressure and urine production.
(11) Thirteen of these patients had tubulo-interstitial lesions in addition to their glomerular disease.
(12) Thirteen of 18 patients who had resections, six of 28 patients treated with HAI, and two of 27 IV-treated patients survived 2 years or more.
(13) Thirteen cases of pulmonary tuberculosis were diagnosed during the period.
(14) The binding of IgG present in patient plasma to cultured human endothelial cells was detected using radiolabeled staphylococcal protein A. Thirteen samples gave positive results and a significant association between endothelial-associated IgG and lupus anticoagulant was found (p less than 0.05).
(15) The test plates are incubated at 37 degrees C for a period ranging from thirteen to eighteen hours.
(16) Thirteen (36%) of the 36 patients died before adequate antifungal therapy could be administered, while 13 survived long enough to receive 1,500 mg of amphotericin B; actuarial survival of the latter group from the date 1,500 mg of amphotericin B had been infused was 47% at 1 year.
(17) Thirteen children with very short small bowel (less than or equal to 38 cm jejunoileum) beginning in the first month of life were enrolled in a home parenteral nutrition program between 1977 and 1984.
(18) Thirteen myoplasties using the sartorius muscle were performed on 12 patients from 1980 to 1985 for "healing problems" in the groin with subjacent synthetic grafts.
(19) Thirteen patients had prior surgery at or near the site of infection.
(20) The duration of symptoms up to the time of biopsy and histological verification of differentiated spinocellular carcinoma of the penis varied from one month to thirteen years.