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Table 3 Simple morphological types of urinary stones by sex

From: Morpho-constitutional analysis of urinary stones from patients with urolithiasis in the Democratic Republic of Congo

Morphology Superficial Nucleus
  Female n = 12 (%) Male n = 47 (%) Female n = 20 (%) Male n = 63 (%)
I 7(53.3) 20(42.5) 8(40.0) 26(41.3)
app.Ic 1(8.3) 1(2.1) 2(10.0) 2(3.2)
I act 0(0.0) 2(4.2) 0(0.0) 2(3.2%)
Ia 5(41.7) 10(21.3) 1(5.0) 0(0.0%)
Ib 0(0.0) 0(0.0) 5(25.0) 22(34.9)
Id 1(8.3) 4(8.5) 0(0.0) 0(0.0)
Ia/d + Id/a 0(0.0) 3(6.4) 0(0.0) 0(0.0)
II 0(0.0) 8(17.0) 0(0.0) 2(3.2)
IIa 0(0.0) 2(4.2) 0(0.0) 0(0.0)
IIb 0(0.0) 6(12.8) 0(0.0) 2(3.2)
III 0(0.0) 9(19.1) 3(15.0) 14(22.2)
IIIb 0(0.0) 4(8.5) 1(5.0) 8(12.7)
IIIc 0(0.0) 5(10.6) 0(0.0) 3(4.8)
IIId 0(0.0) 0(0.0) 2(10.0) 3(4.8)
IV 5(41.7) 8(17.0) 6(30.0) 13(20.6)
IVa 1(8.3) 4(8.5) 5(25.0) 12(19.1)
IVb 3(25.0) 4(8.5) 0(0.0) 0(0.0)
Ivc 1(8.3) 0(0.0) 1(5.0) 1(1.6)
V 0(0.0) 1(2.1) 0(0.0) 0(0.0)
Va 0(0.0) 1(2.1) 0(0.0) 0(0.0)
VI 0(0.0) 0(0.0) 1(5.0) 5(7.9)
VIa 0(0.0) 0(0.0) 0(0.0) 1(1.6)
VIb 0 (0.0) 0(0.0) 1(5.0) 4(6.3)
Others 0(0.0) 1(2.1) 2(10.0) 3(4.8)
INH 0(0.0) 1(2.1) 0(0.0) 0(0.0)
SD 0(0.0) 0(0.0) 0(0.0) 2(3.2)
No Nx 0(0.0) 0(0.0) 2(10.0) 1(1.6)