Table 1 Inter-observer reliability of the UPAPS total sum for each database23,24.

From: Proposing a short version of the Unesp-Botucatu pig acute pain scale using a novel application of machine learning technique

Database

Observers

ICC

CI

Weaned pigs

Observer 1 vs. Observer 2

0.92

0.88–0.95

Observer 1 vs. Observer 3

0.87

0.80–0.91

Observer 2 vs. Observer 3

0.85

0.77–0.90

Pre-weaned pigs

Observer 4 vs. Observer 5

0.98

0.95–0.99

  1. UPAPS is Unesp-Botucatu pig composite acute pain scale; ICC is intraclass correlation coefficient; CI is 95% confidence interval; Interpretation: 0.81–1.0 = very good; 0.61–0.80 = moderate; 0.21–0.60 = reasonable; < 0.20 = poor40.
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