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Table 7 Main types of stones grouped, socio-demographic, and clinical profile of patients with urolithiasis

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

Variables Overall n = 131(%) Oxalate calcium n = 96 (%) Phosphates n = 18 (%) Purines n = 17(%) p
Sex      0,068
 Female 37(28,0) 29(30,2) 7(38,9) 1(5,9)
 Male 94(72,0) 67(69,8) 11(61,1) 16(94,1)
Age      0,035
  < 19 years 6(4,6) 4(4,2) 1(5,6) 1(5,9)
 20–39 years 38(29,0) 30(31,2) 8(44,4) 0(0,0)
 40–59 years 48(36,6) 38(39,6) 4(22,2) 6(35,3)
  ≥ 60 years 39(29,8) 24(25,0) 5(27,8) 10(58,8)
Residence      0,001*
 Kinshasa 116(88,5) 88(91,7) 11(61,1) 17(100,0)
 Hors Kinshasa 15(11,5) 8(8,3) 7(38,9) 0(0,0)
Province of origin**      0,008*
 West 62(47,3) 49(51,0) 5(27,8) 8(47,1)
 North 18(13,7) 17(17,7) 1(5,6) 0(0,0)
 Center-south 33(25,2) 22(22,9) 5(27,8) 6(35,3)
 East 18(13,7) 8(8,3) 7(39,9) 3(17,6)
Urinary tract infection      0,102*
 Yes 43(32,8) 27(28,1) 5(27,8) 11(64,7)
 No 28(21,4) 24(25,0) 2(11,1) 2(11,8)
 No specified 60(45,8) 45(46,9) 11(61,1) 4(23,5)
Prostatic adenoma      0,005*
 Yes 27(20,4) 12(33,3) 3(50,0) 11(87,6)
 No 29(22,0) 24(66,7) 3(50,0) 2(15,4)
 Female/Child/No specified 76(57,6) 60(62,5) 12(66,7) 4(22,2)
Seat of stones      0,001
 Upper urinary tract 82(62,6) 70(72,9) 9(50,0) 3(17,6)
 Low urinary tract 49(37,4) 26(27,1) 9(50,0) 14(82,4)
  1. *Likelihood-ratio chi-square
  2. **Center south: Sankuru, Kasaï, Kasaï-Central, Kasaï oriental, Haut-Lomami, Lomami, Tanganyika, Lualaba, Haut-Katanga. East: Maniema, North Kivu, South Kivu. North: Nord-Ubangi, Sud-Ubangi, Mongala, Ecuador, Tshuapa Bas-Uele Haut Uele, Tshopo, Ituri. West: Kongo central, Kinshasa, Kwango, Kwilu, Mai-Ndombe