Can Tumor Necrosis Factor-α and Interleukin-6 Be Used as Prognostic Markers of Infection following Ureteroscopic Lithotripsy?

Table 3

Bivariate linear correlation between the groups of interest (Pearson’s test).

		Before URS	1 h after URS	24 h after URS	48 h after URS
TNF-α
Before URS	PC; 𝑃 value; 𝑁
1 h after URS	PC; 𝑃 value; 𝑁	472*; .0083; 0
24 h after URS	PC; 𝑃 value; 𝑁	.228; 225; 30	.045; .813; 30
48 h after URS	PC; 𝑃 value; 𝑁	.858**; .000; 30	.565**; .001; 30	.140; .462; 30
Interleukin-6
Before URS	PC; 𝑃 value; 𝑁
2 h after URS	PC; 𝑃 value; 𝑁	.630**; .000; 30
24 h after URS	PC; 𝑃 value; 𝑁	.611**; .000; 30	.483**; .007; 30
48 h after URS	PC; 𝑃 value; 𝑁	.409*; .025; 30	.281; .132; 30	.676**; .000; 30

∗∗Correlation is significant at the 0.01 level (2-tailed).
∗Correlation is significant at the 0.05 level (2-tailed).
PC: Pearson correlation.
𝑃 value: Sig. (2-tailed).