Comparison of the surgical outcomes and Korean version of the Wisconsin Stone Quality of Life Questionnaire scores between the stone-free and residual fragments subgroups in the retrograde intrarenal surgery group
| Variable | SF (n=73) | RF (n=22) | p-value |
|---|---|---|---|
| Hospital stay (d) | 3.0 [3.0-3.0] | 3.0 [3.0-3.0] | 0.525a) |
| Operation time (min) | 73.0 [60.0-85.0] | 82.5 [60.0-105.0] | 0.170a) |
| Duration between the first follow-up and surgery (d) | 19.0 [16.0-23.0] | 23.0 [17.0-28.0] | 0.058a) |
| Complication No complication Postoperative febrile UTI Intervention ICU care |
67 (91.8) 5 (6.8) 1 (1.4) 0 (0.0) |
21 (95.5) 1 (4.5) 0 (0.0) 0 (0.0) |
1.000b) |
| Preoperative K-WISQOL scores Energy and fatigue (D1) Sleep (D2) Work and family (D3) Nutrition and pharmacological therapies (D4) Physical symptoms (D5) Concerns related to intimacy and travel (D6) General emotional well-being (D7) Total score |
11.0 [9.0-14.0] 16.0 [13.0-18.0] 24.0 [20.0-25.0] 12.0 [10.0-14.0] 16.0 [14.0-18.0] 14.0 [11.0-15.0] 26.0 [20.5-30.0] 117.0 [98.0-130.0] |
13.0 [10.3-15.0] 17.0 [15.0-18.0] 25.0 [20.8-25.0] 14.0 [11.5-15.0] 17.0 [14.8-19.0] 14.0 [12.8-15.0] 29.0 [22.0-30.0] 126.5 [112.0-132.3] |
0.104a) 0.212a) 0.249a) 0.049a) 0.340a) 0.654a) 0.158a) 0.145a) |
| Postoperative K-WISQOL scores Energy and fatigue (D1) Sleep (D2) Work and family (D3) Nutrition and pharmacological therapies (D4) Physical symptoms (D5) Concerns related to intimacy and travel (D6) General emotional well-being (D7) Total score |
11.0 [9.0-13.0] 15.0 [11.0-18.0] 20.0 [17.0-24.5] 11.0 [9.0-13.0] 15.0 [13.0-18.0] 12.0 [9.0-15.0] 24.0 [19.0-30.0] 108.0 [91.0-124.5] |
12.0 [7.8-15.0] 18.0 [14.0-20.0] 24.5 [20.0-25.0] 13.0 [11.8-14.0] 17.0 [14.8-19.3] 13.5 [8.8-15.0] 29.5 [23.8-30.0] 123.0 [105.0-132.8] |
0.261a) 0.021a) 0.025a) 0.015a) 0.107a) 0.537a) 0.024a) 0.036a) |
| Changes in the K-WISQOL scores Energy and fatigue (D1) Sleep (D2) Work and family (D3) Nutrition and pharmacological therapies (D4) Physical symptoms (D5) Concerns related to intimacy and travel (D6) General emotional well-being (D7) Total score |
0.0 [-2.0-2.0] -1.0 [-3.5-1.0] -1.0 [-4.5-0.0] 0.0 [-2.5-1.0] 0.0 [-3.0-1.0] 0.0 [-3.0-0.0] 0.0 [-4.5-1.5] -3.0 [-19.5-4.5] |
0.0 [-2.8-1.0] 0.0 [-1.5-2.3] 0.0 [-2.5-0.3] -1.0 [-2.0-1.0] 0.0 [-2.0-1.0] 0.0 [-1.5-1.0] 0.0 [-1.0-1.3] -1.0 [-7.8-9.8] |
0.652a) 0.085a) 0.334a) 0.989a) 0.344a) 0.617a) 0.304a) 0.349a) |
The values are presented as the median [interquartile range] or number (%)
The intervention was the percutaneous nephrostomy insertion
Change in the K-WISQOL score=postoperative-preoperative K-WISQOL score
Statistically significant at p<0.05
UTI: urinary tract infection, ICU: Intensive care unit, K-WISQOL: Korean version of the Wisconsin Stone Quality of Life Questionnaire, SF: stone-free, RF: residual fragments
a)Mann Whitney U-test
b)Fisher’s exact test