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. 2024 Oct 15;5(4):e500. doi: 10.1097/AS9.0000000000000500

TABLE 1.

Inguinal Hernia Drill, Resident OSATS Scores by Attempt vs. Attending Scores

Average Resident OSATS Score Attempt 1 Average Resident OSATS Score Attempt 2 Average Resident OSATS Score Attempt 3 Average Resident OSATS Score Attempt 4 Change from Attempt 1 to 4 P value Median Attending OSATS Score (n = 3) Median Resident OSATS Score Attempt 1 (n = 20) P value Median Resident OSATS Score Attempt 4 (n=19) P value
Mean ± SD Mean ± SD Mean ± SD Mean ± SD Mean ± SD 1st vs. 4th Attempt Median (Min-Max) Median (Min-Max) Resident 1st Attempt vs. Attending Median (Min-Max) Resident 4th Attempt vs. Attending
Respect for tissue 2.9 ± 0.4 3.2 ± 0.4 3.5 ± 0.4 3.8 ± 0.5 1.0 ± 0.5 <0.0001 5 (5–5) 3 (2–3.5) 0.0044 4 (2.5–4.5) 0.0047
Time and motion 2.3 ± 0.7 2.9 ± 0.6 3.1 ± 0.7 3.8 ± 0.7 1.4 ± 0.7 <0.0001 3.5 (3.5–4) 2.5 (1–4) 0.0106 3.5 (2–4.5) 0.6877
Instrument handling 2.5 ± 0.6 3.0 ± 0.5 3.4 ± 0.5 3.9 ± 0.4 1.3 ± 0.6 <0.0001 4 (4–4.5) 2.5 (1.5–3.5) 0.0051 4 (3–4.5) 0.2131
Flow and forward progress 2.4 ± 0.7 3.0 ± 0.5 3.2 ± 0.7 3.8 ± 0.4 1.3 ± 0.7 <0.0001 4.5 (4–4.5) 2.5 (1.5–3.5) 0.0054 4 (3–4.5) 0.0622
Tissue exposure 3.0 ± 0.5 3.4 ± 0.7 3.7 ± 0.5 4.0 ± 0.4 1.0 ± 0.4 <0.0001 5 (4.5–5) 3 (2–4) 0.0047 4 (3.5–4.5) 0.0123
Summary score 2.4 ± 0.7 3.0 ± 0.7 3.3 ± 0.6 3.9 ± 0.5 1.5 ± 0.7 <0.0001 4.5 (4–5) 2.5 (1–4) 0.0062 4 (3–4.5) 0.0992
Total OSATS 15.5 ± 3.3 18.5 ± 3.2 20.1 ± 2.8 23.3 ± 2.4 7.5 ± 3.1 <0.0001 26.5 (25–28) 15.5 (9.5–22) 0.0061 23.5 (18.5–27) 0.0440
Time (minutes) 28.5 ± 9.3 25.2 ± 8.7 23.1 ± 5.3 20.5 ± 5.6 −7.3 ± 8.7* <0.0001 14 (10–15) 28 (18–56) 0.0061 19 (11–31) 0.0241

OSATS: the modified objective structured assessment of technical skills.

*

Median = −6 minutes, Min = −37 minutes, Max = 0 minutes