Pre- and peri-operative clinical information, physiological observations and outcome measures following flexible ureterorenoscopy (FURS), for the treatment of kidney stones. A single-centre observational clinical pilot-study in 51 patients

Hughes, Stephen Fôn; Moyes, Alyson Jayne; Jones, Kevin; Bell, Christopher; Duckett, Abigail; Moussa, Ahmed; Shergill, Iqbal

doi:10.1186/s12894-022-01053-0

Table 7 Associations (correlation) between surgical parameters and vital signs at four observation time-points (n = 51)

From: Pre- and peri-operative clinical information, physiological observations and outcome measures following flexible ureterorenoscopy (FURS), for the treatment of kidney stones. A single-centre observational clinical pilot-study in 51 patients

	Duration of Laser		Stone size		Surgical time		Hounsfield unit		BMI		Age (years)
	r value	p value	r value	p value	r value	p value	r value	p value	r value	p value	r value	p value
Heart rate (per minute)
Baseline	0.144	0.448	− 0.146	0.410	− 0.052	0.740	− 0.414	0.026*	0.307	0.030*	0.013	0.931
30 min post op	− 0.046	0.811	− 0.140	0.446	− 0.060	0.705	− 0.040	0.835	0.134	0.362	− 0.195	0.184
120 min post op	0.092	0.648	− 0.326	0.078	0.093	0.568	− 0.175	0.381	0.107	0.479	− 0.308	0.038*
240 min post op	0.226	0.311	− 0.229	0.240	− 0.006	0.972	− 0.114	0.580	0.057	0.726	− 0.077	0.636
Pain score
Baseline	0.162	0.391	0.043	0.807	0.038	0.808	0.080	0.675	0.361	0.010*	− 0.027	0.855
30 min post op	0.021	0.914	0.094	0.609	− 0.108	0.496	− 0.129	0.504	0.048	0.744	− 0.035	0.812
120 min post op	− 0.103	0.610	− 0.142	0.456	− 0.138	0.396	− 0.195	0.329	− 0.171	0.257	− 0.065	0.668
240 min post op	0.241	0.280	− 0.370	0.053	0.057	0.749	− 0.334	0.096	0.141	0.387	− 0.024	0.883
Respiration rate (per minute)
Baseline	0.066	0.728	0.081	0.649	0.108	0.489	0.149	0.433	0.296	0.037*	− 0.002	0.989
30 min post op	− 0.078	0.686	− 0.149	0.417	− 0.039	0.806	− 0.098	0.615	0.274	0.059	− 0.330	0.022*
120 min post op	− 0.235	0.238	− 0.001	0.996	− 0.141	0.387	− 0.206	0.302	0.06	0.691	− 0.185	0.219
240 min post op	0.228	0.307	0.017	0.931	− 0.092	0.605	− 0.340	0.089	0.329	0.038*	− 0.141	0.386
Body temperature (⁰C)
Baseline	− 0.150	0.430	− 0.073	0.685	− 0.077	0.629	− 0.009	0.961	− 0.215	0.138	0.212	0.139
30 min post op	− 0.212	0.269	− 0.111	0.544	− 0.213	0.176	0.003	0.990	− 0.240	0.100	0.001	0.997
120 min post op	− 0.280	0.158	− 0.073	0.701	− 0.178	0.272	− 0.098	0.625	− 0.150	0.319	− 0.103	0.495
240 min post op	− 0.174	0.439	− 0.108	0.584	− 0.069	0.698	− 0.207	0.309	− 0.079	0.630	− 0.164	0.312

Person product-moment correlation coefficient
NB Please refer to Tables 3–5 for the representative data used for the above analysis
*Correlation is significant at the 0.05 level (2-tailed)
**Correlation is significant at the 0.01 level (2-tailed)

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