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Table 1 Comparison between patients with premature and mature CAD

From: Prevalence and risk factors of premature coronary artery disease in patients undergoing coronary angiography in Kurdistan, Iraq

Patient characteristics

Total 303 (100 %)

Premature CAD

Mature CAD

p-value

94(31 %)

209(69 %)

Mean age ± SD

53.8 + 5.8

44.2 ± 5.2

63.5 ± 6.4

<0.001

Males

178(58.7)

40(42)

138(66)

<0.001

Clinical presentation

Stable angina

60(19.8.)

23(24.4)

37(17.7)

0.085

UA/or NSTEMI

130(42.9)

41(43.6)

89(42.5)

0.433

STEMI

114(37.6)

30(32)

84(40)

0.029

Risk factors

Hypertension

140(46)

47(50)

93(44.5)

0.187

Diabetes mellitus

77(25)

14(14.8)

63(30)

0.002

Smoking

81(26)

28(30)

53(25)

0.210

Obesity (BMI > 30 kg/m2)

116(38)

38(40)

78(37)

0.303

Hyperlipidemia

69(22)

27(28.7)

42(20)

0.048

FH of PCAD

50(16)

24(25.5)

26(12.5)

0.002

Angiographic characters

Severity of number of lesions

<50 %

142(21.1)

82(47.4)

60(12)

<0.001

(50–70 %)

113(16.8)

19(11)

94(18.8)

0.003

>70 %

418(62.1)

72(41.6)

346(69.2)

<0.001

Type of lesions

Type A

203(30.2)

62(35.8)

130(27.8)

0.024

Type B

276(41)

71(41.1)

194(41.5)

0.454

Type C

194(28.8)

40(23.1)

143(30.6)

0.031

Number of major coronary arteries

Involved

1VD

109(36)

49(52)

60(28.7)

0.011

2VD

60(20)

20(21)

40(19)

0.320

3VD

92(30)

16(17)

76(36)

<0.001

4VD

42(14)

9(10)

33(16)

0.018

Coronary arteries

Involved

LMS

42(6.2)

9(5)

33(6.6)

0.256

LAD

268(39.8)

74(42)

194(38.8)

0.219

LCX

170(25.2)

40(23)

130(26)

0.252

RCA

193(28.6)

50(29)

143(28.6)

0.436

Therapeutic options

PCI

158(52)

46(49)

112(54)

0.226

CABG

42(14)

8(9)

34(16)

0.035

Medical treatment

103(34)

40(42)

63(30)

0.017