BioStat Lab vs Medgram

BioStat Lab is a precise, offline statistical power and sample size calculator designed for biomedical researchers, clinicians, and students. CALCULATORS INCLUDED t-Test — Independent & Paired Calculate the required sample size for independent-samples or paired t-tests. Enter mean difference, standard deviation, significance level (α), and desired power (1−β). ANOVA — One-Way Determine per-group and total sample size for a one-way ANOVA across 2–20 groups. Uses Bonferroni-adjusted alpha for multiple-comparison control. Proportions — Two-Proportion z-Test Compare two event rates or response proportions. Displays absolute difference and risk ratio alongside the required sample size per group. Correlation — Pearson r Sample size for testing whether a Pearson correlation is significantly different from zero. Uses Fisher z-transformation for accuracy. Includes Cohen's effect-size classification. Survival — Log-Rank Test Event-driven sample size for survival studies using Freedman's formula. Enter hazard ratio, expected event rate, α, and power to get required events and total subjects. DESIGN PHILOSOPHY Dark space-inspired interface — deep indigo background, violet accent readouts, monospaced numeric displays — optimized for focused scientific work. PRIVACY No account required. No data collected. All calculations happen on-device.

Medgram is a professional medical platform built exclusively for the healthcare community, bringing clinical collaboration, professional networking, medical knowledge, and everyday practice tools together in one place. Designed for physicians, residents, fellows, medical students, researchers, professors, and allied health professionals, Medgram creates a dedicated environment where healthcare professionals can connect, learn, collaborate, and advance their careers. Everything Medicine. One Platform. Connect & Collaborate Build your professional presence, connect with colleagues across specialties, share medical insights, participate in discussions, and discover professionals throughout the healthcare community. Clinical Scribe Streamline documentation with tools designed to help transform clinical encounters into organized medical notes. Note Generator Create structured clinical notes efficiently and reduce time spent on documentation. Clinical Answers Quickly explore medical questions and access organized clinical information when you need it. Virtual Hospital Navigate specialty-based departments and work through interactive clinical cases covering different areas of medicine. Grand Rounds & Journal Club Engage with clinical presentations, research discussions, publications, and evidence-based medicine alongside the professional community. Research & Publications Discover medical research, follow research briefings, share publications, and showcase your academic contributions. Clinical Feed Stay connected through professional posts, stories, reels, medical news, trending topics, clinical discussions, and personalized medical content. Medical Cases Explore clinical cases across specialties, discuss diagnostic and management approaches, and contribute your own cases to the community. Curbside Consult Exchange perspectives with other healthcare professionals and collaborate on clinical questions in a professional setting. Professional Portfolio Build a living professional profile featuring your experience, publications, clinical interests, accomplishments, endorsements, and contributions. Mentorship & Career Opportunities Discover mentors, professional opportunities, jobs, conferences, and events relevant to your medical career. Channels & Messaging Communicate directly with colleagues and participate in focused professional conversations. Medgram is more than a professional network. It is a unified medical ecosystem designed to bring together the tools and connections healthcare professionals use throughout their careers. Connect. Collaborate. Practice. Discover. Medgram — Where Medicine Connects.