Clinical Study

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

Table 2

Paired samples -test with confidence interval 95%. Independent variable the control group of IL-6 and TNF- before and 1 or 2, 24, and 48 hours after ureteroscopy (statistically significant when value < 0.01).

Paired differencesStd. deviationStd. error mean95% confidence interval of the difference dfSig. (2-tailed)
Mean LowerUpper

Interleukin-6
 Before URS-CG 24,0490 19,2386 6,0838 10,2865 37,8115 3,953 9 .003
 2 h after URS-CG41,7824 39,7444 12,5683 13,3510 70,2138 3,324 9 .009
 24 h after URS-CG 36,8700 19,0497 6,0240 23,2427 50,4973 6,120 9 .000
 48 h after URS-CG66,5490 46,0981 14,5775 33,5724 99,5256 4,565 9 .001
TNF-
 Before URS-CG 19,9040 12,7945 4,0460 10,7514 29,0566 4,919 9 .001
 1 h after URS-CG 40,093032,4138 10,2501 16,9056 63,2804 3,911 9 .004
 24 h after URS-CG 17,1900 9,6078 3,0383 10,3170 24,0630 5,658 9 .000
 48 h after URS-CG26,2840 13,3134 4,2101 16,7602 35,8078 6,243 9 .000