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Stone size in NCCT
| Stone size in NCCT (mm) | Total no. | Detected by US | Missed by US | Sensitivity (%) |
|---|---|---|---|---|
|
| ||||
| 0–3.5 | 34 | 19 | 15 | 55.8a |
| 3.6–5 | 46 | 34 | 12 | 73.9b |
| 5.1–10 | 117 | 84 | 33 | 71.7c |
| >10 | 85 | 76 | 9 | 89.4 |
Notes:
P (0–3.5 vs 3.5–5)=0.09, P (0–3.5 vs >10)=<0.001.
P (3.6–5 vs >10)=0.021.
P (5.1–10 vs >10)=0.002.
Abbreviations: NCCT, non-contrast enhanced computed tomography; US, ultrasonography.
