Table 12 Bootstrap 95% confidence intervals for key metrics.

From: A zero-shot LLM framework for multimodal grievance classification, urgency scoring, and abuse detection in civic feedback systems

Metric

Mean

95% CI

Routing accuracy

92.4%

[90.7, 94.0]

Urgency MAE

0.041

[0.034, 0.052]

Toxicity precision

96.2%

[94.8, 97.5]

SLA compliance

96.8%

[94.1, 98.3]

WER

8.1%

[6.7, 9.8]

WebSocket latency (ms)

112

[105, 134]

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