Act 2 · Understand

Design retrospective

What the study assumed, and what happened.

Sample values. Synthetic study, not real patients.

Planned against actual

Planned values come from the protocol. Actual values arrive as aggregates in the approved hospital export.

QuantityPlannedActual
Participants enrolled
Số người tham gia được tuyển
300 patients (as stated) Assumed300 patients (observed, exact) Learnedas planned
Months to complete enrolment
Số tháng để tuyển đủ
12.0 months (as stated) Assumed22.8 months (observed, exact) Learnedhigher than planned
Screen-failure rate
Tỷ lệ sàng lọc thất bại
25.0% (as stated) Assumed35.3% (31.9% to 38.9%, 90% within-study bootstrap) Learnedhigher than planned
Dropout over follow-up
Tỷ lệ bỏ cuộc trong thời gian theo dõi
10.0% (as stated) Assumed19.7% (observed, exact) Learnedhigher than planned
SD of the primary outcome's change
Độ lệch chuẩn thay đổi của kết cục chính
1.00 % HbA1c (as stated) Assumed1.26 % HbA1c (1.18 to 1.35, 90% within-study bootstrap) Learnedhigher than planned
Difference between arms
Chênh lệch giữa hai nhánh
−0.40 % HbA1c (as stated) Assumed−0.36 % HbA1c (−0.63 to −0.0852, 90% within-study bootstrap) Learnedas planned
Months from first enrolment to last visit
Số tháng từ người đầu tiên đến lần khám cuối
24.0 months (as stated) Assumed34.8 months (observed, exact) Learnedhigher than planned
Protocol amendments
Sửa đổi đề cương
the visit window is widened from 2 to 7 days either side. Reason: visits outside the window were the most common protocol deviation. protocol_amendment_1.en.md#A1.2
not stated1 (observed, exact) Learned
Visits outside the window
Lần thăm khám ngoài cửa sổ
not stated19 (observed, exact) Learned
Screened out by C1: HbA1c between 7.5% and 10.5% at screening
Bị loại theo C1
not stated15.7% (13.3% to 18.5%, 90% within-study bootstrap) Learned
Screened out by C2: eGFR below 45 mL/min/1.73 m²
Bị loại theo C2
not stated8.2% (6.3% to 10.6%, 90% within-study bootstrap) Learned
Screened out by C3: Written informed consent
Bị loại theo C3
not stated8.0% (6.2% to 10.1%, 90% within-study bootstrap) Learned
Screened out by C4: Other conditions listed in Appendix 2
Bị loại theo C4
not stated3.4% (2.3% to 5.2%, 90% within-study bootstrap) Learned