Table 2. Comparison of patients’ characteristics according to SIRS
Variables Normal group SIRS group P value
Number of patients 562 10
Mean age± SD, year 45.5 ± 15.5 43.6 ± 24.5 0.925‡
Mean BMI ± SD, kg/m2 26.9 ± 3.33 26.8 ± 2.11 0.884†
Gender(female), n(%) 178 (31.7) 4 (40.0) 0.733§
ASA score, n(%) ASA1 ASA2 ASA3 205 (36.5) 299 (53.3) 57 (10.2) 3 (30.0) 5 (50.0) 2 (20)
0.452§
History of ISS, n(%) 182 (32.4) 4 (40.0) 0.735§
SWL history, n(%) 199 (35.4) 4 (40.0) 0.749§
Mean stone number ± SD 1.09 ± 0.36 1.20 ± 0.63 0.376†
Mean stone diameter ± SD, mm 11.2 ± 4.72 12.0 ± 1.54 0.705†
Mean stone volume ± SD, mm3 270 ± 38.5 356 ± 44.5 <0.001†
Mean HU ± SD 1000 ± 324 969 ± 334 0.760†
Preop DJS, n(%) 61 (10.9) 2 (20) 0.303§
Mean operation time ± SD, min. 41.4 ± 10.2 54.2 ± 6.19 <0.001†
Mean LOS ± SD, day 1.09 ± 0.40 3.60 ± 3.50 <0.001‡
Postop DJS, n(%) 437 (77.8) 9 (90.0) 0.699§
Preop recurrent UTI, n(%) 47 (8.4) 4 (40.0) 0.008§
Duration between PBUC and SULL ±SD, day 10.2 ± 5.59 11.3 ± 6.3 0.574†
SD, standart deviation; BMI, body massindex; ASA, American Society of Anaesthesia; ISS, ipsilateral stone surgery; SWL, shock wave lithotripsy; HU, hounsfield unit; DJS, double J stent; LOS, lenght of stay; UTI, urinary tract infection; PBUC, preoperative bladder urine culture; SULL, semirigid ureteroscopic lithotripsy † Independent Sample t test ‡ Mann Whitney u test §Fisher Exact test SD, standart deviation; BMI, body massindex; ASA, American Society of Anaesthesia; ISS, ipsilateral stone surgery; SWL, shock wave lithotripsy; HU, hounsfield unit; DJS, double J stent; LOS, lenght of stay; UTI, urinary tract infection; PBUC, preoperative bladder urine culture; SULL, semirigid ureteroscopic lithotripsy † Independent Sample t test ‡ Mann Whitney u test §Fisher Exact test SD, standart deviation; BMI, body massindex; ASA, American Society of Anaesthesia; ISS, ipsilateral stone surgery; SWL, shock wave lithotripsy; HU, hounsfield unit; DJS, double J stent; LOS, lenght of stay; UTI, urinary tract infection; PBUC, preoperative bladder urine culture; SULL, semirigid ureteroscopic lithotripsy † Independent Sample t test ‡ Mann Whitney u test §Fisher Exact test SD, standart deviation; BMI, body massindex; ASA, American Society of Anaesthesia; ISS, ipsilateral stone surgery; SWL, shock wave lithotripsy; HU, hounsfield unit; DJS, double J stent; LOS, lenght of stay; UTI, urinary tract infection; PBUC, preoperative bladder urine culture; SULL, semirigid ureteroscopic lithotripsy † Independent Sample t test ‡ Mann Whitney u test §Fisher Exact test