Table 2.

Mean within-session variability of mechanical nociceptive thresholds for each age group and tail region. The intra-individual coefficient of variations (CVs) is based on three individual measurements per pig and presented as the mean and standard errors (SEM).

Pig age	Mean	Std. error	95% confidence interval
			Lower bound	Upper bound
9 weeks	0.316	0.016	0.285	0.347
17 weeks	0.326	0.012	0.302	0.349
24 weeks	0.301	0.025	0.252	0.349
32 weeks	0.311	0.040	0.232	0.390
Tail region	Mean	Std. error	95% confidence interval
Lower bound	Upper bound
1	0.328	0.022	0.284	0.371
2	0.303	0.022	0.259	0.347
3	0.309	0.022	0.266	0.353