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. 2021 Jun 25;21:321. doi: 10.1186/s12903-021-01678-x

Table 4.

Linear regression model for the prediction of FLACC behavioral pain assessment scale (unadjusted and adjusted)

Variable Category Unadjusted model Adjusted model (R2 = 0.290)
β ± SE (95% CI) P-value R2 β ± SE (95% CI) P-value
Age 6–8 years 1.43 ± 0.58 (0.27 to 2.60) 0.017* 0.113 1.20 ± 0.55 (0.09 to 2.30) 0.034*
9–12 years Reference Reference
Gender Females 1.89 ± 0.56 (0.78 to 3.01) 0.001* 0.195 1.68 ± 0.55 (0.58 to 2.78) 0.004*
Males Reference Reference
HR baseline 0.03 ± 0.02 (− 0.02 to 0.08) 0.266 0.026 0.02 ± 0.02 (− 0.02 to 0.07)  0.293
Group Test 0.40 ± 0.61 (− 0.82 to 1.62) 0.513 0.009 0.01 ± 0.55 (− 1.11 to 1.12) 0.988
Control Reference Reference

HR heart rate

*Statistically significant