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GlossaryQuantitative Analysis

process of using numerical data to measure and evaluate variables

Quantitative Analysis refers to the process of using numerical data to measure and evaluate variables. In the context of hair and alopecia, it might involve counting the number of hair strands lost per day or measuring the density of hair follicles in a given scalp area. This method provides objective, measurable results that can be statistically analyzed to identify patterns or assess the effectiveness of treatments.

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research Is Photoshop With Qualitative Image Analysis a Valid Technique for Measuring Hair Morphology? A Test Using Wires of Known Dimensions

November 2019 in “Journal of Vertebrate Biology”

QIA-64 software can measure straight wire lengths accurately but needs improvement for curved wires and width measurements.

research Scanning Electron Microscopy Approach for Evaluation of Hair Dyed with Lawsonia Inermis Powder: In Vitro Study

8 citations , November 2019 in “International Journal of Morphology”

Henna dye improves hair cuticle and thickness but effects vary by hair type and health.

research Intravital Imaging of Hair-Cell Development and Regeneration in the Zebrafish

19 citations , January 2013 in “Frontiers in Neuroanatomy”

Zebrafish can help study and develop treatments for hearing loss.

Computerized Morphometry and Three-Dimensional Image Reconstruction in the Evaluation of Scalp Biopsy from Patients with Non-Cicatricial Alopecias

research Computerized Morphometry and Three-Dimensional Image Reconstruction in the Evaluation of Scalp Biopsy from Patients with Non-Cicatricial Alopecias

15 citations , February 2003 in “British Journal of Dermatology”

The study suggests computer-assisted analysis of scalp biopsies could improve hair loss diagnosis but needs more validation.

research Weakly-Supervised Hair SEM Microscope Image Segmentation Using A Priori Structure Information

November 2024 in “Image Analysis & Stereology”

The method improves hair image segmentation accuracy while reducing annotation costs.

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community Finasteride and fertility. Personal report.

in Finasteride/Dutasteride 829 upvotes 1 year ago

Finasteride can affect sperm quality, but fertility usually returns after stopping it, as shown by a user who conceived four months after discontinuation. Some users successfully conceive while on finasteride, though some prefer to pause its use to minimize risks.

community If You Have DUPA, PLEASE READ THIS: Everyone Should Be Scalp Biopsied

nkrata in Research 830 upvotes 1 year ago

Scalp biopsies are crucial for diagnosing hair loss conditions like Diffuse Unpatterned Alopecia (DUPA) and retrograde hair loss, as treatments like finasteride and dutasteride may not be effective if other conditions are present. Combining PPAR-GAMMA agonists with retinoids could improve treatments for conditions like Lichen Planopilaris.

community New and Interesting HairLoss Studies/Papers/Reviews

in Treatment 42 upvotes 6 years ago

Hair loss treatments discussed include Dutasteride with Ketoconazole, tissue engineering strategies, and androgenetic alopecia therapies. Massage doubles follicular retention, improving treatment effectiveness.

community Pelage Announces Positive Results of Phase 2a Trials for PP405

in Update 303 upvotes 8 months ago

PP405 shows promise in treating severe hair loss, with 31% of users experiencing over 20% hair density increase in four weeks, faster than minoxidil and finasteride. Some users are skeptical about the results' significance and long-term efficacy.

community Hair Growth or Loss Tracking Tool

worrying_about_hair in Research 141 upvotes 1 year ago

A user is developing a tool to track hair density, aiming to help those using treatments like minoxidil. They seek feedback on the tool's usefulness and are considering a low-cost model to cover expenses.

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