Discharge creatinine for capacity-constrained follow-up triage after CKD hospitalisations — analysis and budgeted-eligibility scripts (S7 / JNM)

Replication package for an observational MIMIC-IV analysis supporting a Journal of Nursing Management manuscript on capacity-constrained follow-up eligibility after CKD hospitalisations. Contents: analysis/figure scripts, deposit conventions (seed 42; serum chemistry itemids; NNV Scheme B; row-order Phase-1 slotting), method/number registries, and aggregate result tables/JSON only. Does NOT include raw MIMIC-IV or admission-level extracts with patient identifiers. MIMIC-IV v3.1 must be obtained separately from PhysioNet under credentialed access. Paper local VERSION_TAG: v1.4. Analysis freeze: 20260722_171922_S7_isolated.