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. 2019 Mar 13;19:45. doi: 10.1186/s12903-019-0734-4

Table 6.

Chi-square test for relationship of OS and VSC level and oral health status

N (%) OS≥2 (%) P VSC ≥ 110 (%) P
Dental caries 0.364 1.000
 Yes 42(20.5) 25(59.5) 17(40.5)
 No 163(79.5) 110(67.5) 67(41.1)
 Total 205 135(65.9) 84(41.0)
Residual crowns/roots 0.101 0.045
 Yes 23(11.2) 19(82.6) 14(60.9)
 No 182(88.8) 116(63.7) 70(38.5)
 Total 205 135(65.9) 84(41.0)
CPI score < 0.001 0.426
 0 9(4.4) 3(33.3) 2(22.2)
 1 48(23.4) 21(43.8) 16(33.3)
 2 129(62.9) 95(73.6) 56(43.4)
 3 17(8.3) 15(88.2) 9(52.9)
 4 2(1.0) 1(50.0) 1(50.0)
 Total 205 135(65.9) 84(41.0)
Thickness of tongue coating < 0.001 0.010
 0 18(8.8) 8(44.4) 6(33.3)
 1 78(38.0) 41(52.6) 22(28.2)
 2 53(25.9) 41(77.4) 25(47.2)
 3 56(27.3) 45(80.4) 31(55.4)
 Total 205 135(65.9) 84(41.0)
Area of tongue coating 0.002 0.044
 0 17(8.3) 7(41.2) 5(29.4)
 1 58(28.3) 30(51.7) 21(36.2)
 2 69(33.7) 51(73.9) 24(34.8)
 3 61(29.8) 47(77.0) 34(55.7)
 Total 205 135(65.9) 84(41.0)
Restorations 0.051 0.373
 No 183(89.3) 125(68.3) 76(41.5)
 Fixed denture 21(10.2) 9(42.9) 7(33.3)
 Movable denture 1(0.5) 1(100.0) 1(100.0)
 Total 205 135(65.9) 84(41.0)