Indicate the presence of numerical data in the abstract (whether numerical data plays a key role in medical records), solely using the information from the abstract.

Abstract: A mandatory seatbelt use law, the first such law in the nation, became fully in force in New York State as of 1 January, 1985. We studied seatbelt use among drivers and front seat passengers involved in motor vehicle accidents for a 3-month period pre-legislation (Phase 1), and a 5-month period post-legislation (Phase 2), to determine if this type of compulsory law, providing civil fines of $50 for violators, changes seatbelt use behavior. The reported use rate among drivers rose from 21% pre-legislation to 47% post-legislation (p less than 0.01). The use rate among front seat passengers rose from 21% to 40% (not significantly different due to the small number of occupants recorded in this position). A highway survey (Phase 3) noted the use rate in New York City and surrounding counties to be 63%, a marked increase from the published pre-legislation value of 16%. We conclude that mandatory seatbelt use legislation is effective in significantly increasing seatbelt use and urge physicians to seek similar legislation in every state.
Question: Does the abstract contain any numerical data?
Yes

Abstract: Severe aortic regurgitation developed in three patients after aortic valve replacement within six months due to long sutures prolapsing across the "annulus" of Bjork-Shiley prosthesis. At reoperation the offending sutures were trimmed or tucked back to the aortic wall to eliminate aortic regurgitation. Prolapse of unravelled knots may be the likely cause. Everting the sewing skirt during the first replacement may prevent this complication.
Question: Does the abstract contain any numerical data?
No

Abstract: The fingernails of twenty-four patients with classical adult (type 1) pityriasis rubra pilaris were examined for changes in nail morphology and a comparison was made with the fingernail morphology of twenty-seven consecutive psoriatic patients with nail changes. Distal yellow-brown discoloration, subungual hyperkeratosis, nail plate thickening, and splinter hemorrhages indicate a diagnosis of type 1 pityriasis rubra pilaris rather than psoriasis, while onycholysis (particularly marginal), salmon patches, small pits, and larger indentations of the nail plate indicate a diagnosis of psoriasis. Histology demonstrated that a nail biopsy would be a useful diagnostic procedure if nails were involved in isolation but provided no additional diagnostic features to those found from biopsy specimens of involved skin in the two conditions. The similarity in nail morphology between the type 1 pityriasis rubra pilaris patients and five patients with chronic erythroderma resulting from Sezary syndrome indicated that these changes may represent a nonspecific reaction pattern that may result from prolonged erythema of the proximal nail bed and matrix. The rough nails (trachyonychia) described in advanced Sezary syndrome were not observed in any of our patients.
Question: Does the abstract contain any numerical data?
Yes