Table 5. Genotypic distribution and relative allele frequency for the studied polymorphisms in SP/IP subgroups.
Gene / Variant Genotype Frequency (%) H-W Allele Frequency (%)
ACE I/D I/I I/D D/D I D
Total (192) 39.1(75) 44.8(86) 16.1(31) 0.62(119) 0.38(73)
SP (92) 54.3(50) 38.0(35) 7.6(7) χ2=0.06;
p=0.799
0.73(135) 0.27(49)
IP (100) 25.0(25) 51.0(51) 24.0(24) χ2=0.04;
p=0.841
0.51(101) 0.49(99)
χ2 = 20.34 ; 2 df;
p = 0.006
χ2 = 21.16; 1 df;
p = 0.0001
OR: 2.701 (C.I. 95% = 1.759 – 4.146)
P = 0.0001
5HTT / 5HTTLPR S/S S/L L/L S L
Total (192) 23.4(45) 43.2(83) 33.4(64) 0.45(86) 0.55(106)
SP (92) 33.7(31) 40.2(37) 26.1(24) χ2=3.36;
p=0.066
0.54(99) 0.46(85)
IP (100) 14.0(14) 46.0(46) 40.0(40) χ2=0.02;
p=0.894
0.37(74) 0.63(126)
χ2 = 11.08; 2 df;
p = 0.004
χ2 = 10.93; 1 df;
p = 0.001
OR: 1.983 (C.I. 95% = 1.318 –2.982)
P = 0.001
CRF-BP / CRF-BPs11 C/C C/T T/T C T
Total (192) 35.9(69) 43.8(84) 20.3(39) 0.58(111) 0.42(81)
SP (92) 44.6(41) 41.3(38) 14.1(13) χ2=0.70;
p=0.390
0.65(120) 0.35(64)
IP (100) 28.0(28) 46.0(46) 26.0(26) χ2=0.60;
p=0.4258
0.51(102) 0.49(98)
χ2 = 7.22; 2 df;
p = 0.027
χ2 = 7.94; 1 df;
p = 0.005
OR: 1.801 (C.I. 95% = 1.194 – 2.717)
P = 0.005
CRF2R / rs2267717 C/C C/G G/G C G
Total (192) 55.2(106) 35.9(69) 8.9(17) 0.73(140) 0.27(52)
SP (92) 10.9(10) 37.0(34) 52.1(48) χ2=1.09;
p=0.296
0.20(37) 0.80(153)
IP (100) 7.0(7) 35.0(35) 58.0(58) χ2=0.29;
p=0.589
0.17(32) 0.83(162)
χ2 = 1.16; 2 df;
p = 0.561
χ2 = 1.15; 1 df;
p = 0.2841
OR: 1.280 (C.I. 95% = 0.814 – 2.012)
P = 0.447
5HT1AR / -1019C>G C/C C/G G/G C G
Total (192) 30.2(58) 48.4(93) 21.4(41) 0.54(104) 0.46(88)
SP (92) 43.5(40) 44.6(41) 12.0(11) χ2=0.01;
p=0.921
0.66(121) 0.34(63)
IP (100) 18.0(18) 52.0(52) 30.0(30) χ2=0.30;
p=0.581
0.44(88) 0.56(112)
χ2 = 18.15 ; 2 df;
p = 0.0001
χ2 = 18.3; 1 df;
p = 0.0001
OR: 2.444 (C.I. 95% = 1.617-3.694)
P = 0.0001
NK1R / rs6715729 A/A A/G G/G A G
Total (192) 33.3(64) 45.3(87) 21.4(41) 0.56(108) 0.44(84)
SP (92) 43.5(40) 37.0(34) 19.6(18) χ2=4.29;
p=0.038
0.62(114) 0.38(70)
IP (100) 24.0(24) 53.0(53) 23.0(23) χ2=0.36;
p=0.547
0.51(101) 0.49(99)
χ2 = 8.44 ; 2 df;
p = 0.015
χ2 = 6.02; 1 df;
p = 0.014
OR: 1.596 (C.I. 95% = 1.063 – 2.397)
P = 0.024
H-W= Hardy-Weinberg Equilibrium; df = Degree of Freedom; C.I. = Confidence Interval.