Form 108 — Comsae

As a second-year osteopathic medical student, few milestones carry as much weight as the Comprehensive Osteopathic Medical Self-Assessment Examination (COMSAE) Phase 1. Specifically, COMSAE Form 108 is one of the most widely utilized forms by colleges of osteopathic medicine (COMs) to gauge student readiness for the COMLEX-USA Level 1.

This comprehensive guide breaks down the structure of COMSAE Form 108, analyzes its high-yield themes, provides an actionable study blueprint, and explores how its scoring correlates to your actual COMLEX-USA Level 1 performance. What is COMSAE Form 108?

A 2025 peer‑reviewed study examining 948 first‑time COMLEX Level 2‑CE takers identified a as the optimal cutoff for predicting a passing outcome on the actual Level 2‑CE. For high performance (scores of 650 or 700 on Level 2‑CE), higher COMSAE thresholds are needed, and the model combining COMSAE, COMAT, and preclerkship performance explained 73.9% of the variance in final exam scores.

It includes answer keys, which are vital for reviewing missed questions and understanding the rationales behind correct answers. Why Choose Form 108?

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Review the performance profile to identify any sub-categories where your performance dipped into the "borderline" or "low" bands. Dedicate 20% of your remaining study time to patching those specific holes while keeping up with general spaced repetition. If You Scored Borderline or Failed (Score < 450)

: Ethics, health promotion, and patient safety [3]. Major Systems (10% each) :

If you are a second-year osteopathic medical student (OMS-II), the acronym "COMSAE" likely carries a heavy weight of anxiety. Among the battery of practice exams administered by the NBOME (National Board of Osteopathic Medical Examiners), has become a hot topic in student forums, study groups, and academic coaching sessions.

While the NBOME offers multiple forms, students often choose Form 108 for specific reasons: As a second-year osteopathic medical student, few milestones

Divided into 4 distinct blocks of 40 questions each.

Yes—but with important limitations. The 2025 study mentioned earlier establishes COMSAE Phase 2 as a of Level 2‑CE performance when combined with other metrics. However, multiple regression analysis demonstrated that while COMSAE independently contributes, the strongest prediction comes from integrating clinical COMAT scores, preclerkship performance, and COMLEX Level 1 status .

The exam includes 176 multiple-choice questions (divided into four sections).

COMSAE scores range from 100 to 800. The NBOME defines the passing standard for Level 1 as a three-digit score of . However, because practice exams have a margin of error, most medical schools require a buffer zone: What is COMSAE Form 108

Succeeding on Form 108 requires a blend of comprehensive content review and deliberate question practice. Step 1: Utilize COMLEX-Specific Question Banks

Many students begin with the free (often Form 101) to establish a baseline, but Form 108 is viewed as a “second-trimester” or “mid-dedicated” exam. Here’s why it matters:

is a specific, timed practice examination consisting of questions that mimic the blueprint, difficulty, and format of the actual licensing exam. Key Features of COMSAE Phase 2 Form 108:

: Students report mixed results regarding its score accuracy; some find it underpredictive, while others note it may not fully capture the complexity of the actual Level 2 exam.