Indicator detail
Unexplained fever calls
Sample nurse-line aggregate
Baseline
25
calls / day
Current
calls / day
Deviation
+1.8σ
vs baseline
Signal
Normal
How this is scored
Deviation z = (current − baseline) / √baseline — a Poisson-style spread suited to counts. A score of 3σ or more is an alert; 2σ or more is a watch. Levels are signals to investigate, never conclusions. Aggregate counts only.
Scoring history (newest first)
indicator.cmr0xz.log
2026-06-30 17:49:55 base 25 cur 34 +1.8σ normal