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Correlation between skin conductance measurements and subjective pain scales in children after otolaryngological procedures

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Spearman correlation between the number of skin conductance fluctuations per second and subjective ratings of perceived pain in females

Females (N=17) WB 1 h WB 2 h VAS 1 h VAS 2 h FLACC 1 h FLACC 2 h
PM 1 h Rho=0.28P=0.263 - Rho=0.32P=0.195 - Rho=0.30P=0.235 -
PM 2 h - Rho=−0.23P=0.351 - Rho=−0.09P=0.719 - Rho=0.19P=0.453
PM (1 and 2 h) Rho=−0.03P=0.875 Rho=0.07P=0.686 Rho=0.16P=0.348

Correlation between skin conductance fluctuations and self-reported pain score by gender

Female (n = 17) Male (n = 16) p-value*
PM 1 h 0.07 (0.04–0.12) 0.10 (0.04–0.15) 0.406
PM 2 h 0.09 (0.06–0.18) 0.17 (0.08–0.24) 0.045
p-value** 0.156 0.020 x
WB 1 h 4 (0–4) 5 (0–8) 0.612
WB 2 h 2 (0–4) 2 (0–4) 0.628
p-value** 0.201 0.182 x
VAS 1 h 3 (1–5) 6.5 (1–9) 0.205
VAS 2 h 1 (1–5) 2.5 (1–5) 0.586
p-value** 0.450 0.052 x
FLACC 1 h 0 (0–1) 3 (0–5) 0.059
FLACC 2 h 0 (0–0) 0 (0–3) 0.048
p-value** 0.128 0.094 x

Rank correlation coefficients (Spearman's rho) between pain scales (in the first and second hours after surgery)

WB VAS FLACC PM
WB X 0.886 0.433 0.000
VAS X 0.497 −0.024
FLACC X 0.098
PM

Spearman correlation between the number of skin conductance fluctuations per second and subjective ratings of perceived pain in males

Males (N=16) WB 1 h WB 2 h VAS 1 h VAS 2 h FLACC 1 h FLACC 2 h
PM 1 h Rho=0.32P=0.216 - Rho=−0.12P=0.633 - Rho=0.29P=0.237 -
PM 2 h - Rho=−0.12P=0.650 - Rho=−0.10P=0.711 - Rho=−0.14P=0.577
PM (1 and 2 h) Rho=−0.04P=0.808 Rho=−0.25P=0.170 Rho=−0.07P=0.682

Characteristics of the children in the study group

Variable Statistics
Gender, N (%)
Female 17 (51.5%)
Male 16 (48.5%)
Age, years
Mean±SD 6.1±3.0
Me (Q1–Q3) 5 (4–8)
Min–Max 3–17
Otolaryngological procedures
Adenoidectomy 11 (33.3%)
Adenotonsillotomy 15 (45.5%)
Tonsillectomy 7 (21.2%)

Spearman correlation between the number of skin conductance fluctuations per second and subjective ratings of perceived pain in a group of 33 children

All (N=33) WB 1 h WB 2 h VAS 1 h VAS 2 h FLACC 1 h FLACC 2 h
PM 1 h Rho=0.29P=0.102 - Rho=0.18P=0.313 - Rho=0.33P=0.064 -
PM 2 h - Rho=−0.13P=0.476 - Rho=−0.07P=0.712 - Rho=0.08P=0.668
PM (1 and 2 h) Rho=0.00P=0.999 Rho=−0.02P=0.846 Rho=0.10P=0.429
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Langue:
Anglais