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Table 1 Analysis of the clinical features of 347 patients with colorectal cancer [median (Q1, Q3) or no. (%)]

From: Preoperative prediction of microsatellite instability status in colorectal cancer based on a multiphasic enhanced CT radiomics nomogram model

 

MSI(n = 71)

MSS(n = 276)

P

Training(n = 243)

Testing(n = 104)

P

Age(y)

65.00(57.00,73.00)

66.00(59.00,74.00)

0.566

66.00(60.00,73.00)

64.00(55.25,74.75)

0.250

Sex,n(%)

 

0.804

  

0.989

Male

40(56.34)

160(57.97)

 

140(57.61)

60(57.69)

 

Female

31(43.66)

116(42.03)

 

103(42.39)

44(42.31)

 

Smoking,n(%)

 

0.117

  

0.104

Yes

8(11.27)

53(19.20)

 

48(19.75)

13(12.50)

 

No

63(88.73)

223(80.80)

 

195(80.25)

91(87.50)

 

Alcohol, n(%)

 

0.516

  

0.099

Yes

7(9.86)

35(12.68)

 

34(13.99)

8(7.69)

 

No

64(90.14)

241(87.32)

 

209(86.01)

96(92.31)

 

Family history of cancer, n(%)

 

0.949

  

1.000

Yes

2(2.82)

5(1.81)

 

5(2.06)

2(1.92)

 

No

69(97.18)

271(98.19)

 

243(97.94)

104(98.08)

 

Hypertension, n(%)

 

0.392

  

0.103

Yes

38(53.52)

132(47.83)

 

117(48.15)

44(57.69)

 

No

33(46.48)

144(52.17)

 

126(51.85)

60(42.31)

 

Diabetes, n(%)

 

0.612

  

0.603

Yes

12(16.90)

40(14.49)

 

38(15.64)

14(13.46)

 

No

59(83.10)

236(85.51)

 

205(84.36)

90(86.54)

 

CEA(ng/ml)

3.73(2.15,11.08)

4.23(2.37,16.73)

0.155

3.89(2.25,15.58)

4.57(2.49,12.05)

0.560

CA199(U/ml)

12.59(7.61,25.47)

13.13(7.49,23.19)

0.635

12.80(7.61,23.50)

14.48(6.86,23.19)

0.852

WBC(×109/L)

6.10(5.20,7.30)

6.10(4.90,7.20)

0.535

6.10(5.10,7.20)

5.85(4.83,7.40)

0.648

NE(×109/L)

3.90(2.90,4.80)

3.70(2.80,4.60)

0.221

3.70(2.90,4.60)

3.55(2.80,4.80)

0.751

LYM(×109/L)

1.50(1.10,2.00)

1.50(1.20,1.90)

0.766

1.50(1.20,1.90)

1.50(1.10,1.90)

0.956

PLT(×109/L)

270.00(214.00,301.00)

228.50(188.25,276.75)

0.002

230.00(192.00,280.00)

251.00(190.25,299.75)

0.203

CRP(mg/L)

5.60(5.40,6.00)

5.50(5.00,5.90)

0.085

5.50(5.10,5.90)

5.60(5.10,5.98)

0.416

ALB(g/L)

41.00(38.10,43.90)

41.35(37.90,44.10)

0.836

41.20(37.90,44.10)

41.80(37.90,44.03)

0.935

NLR

2.56(1.72,3.54)

2.43(1.67,3.47)

0.366

2.46(1.69,3.46)

2.46(1.60,3.53)

0.850

SII(×109/L)

630.95(431.95,957.38)

539.02(362.42,816.78)

0.024

570.67(378.00,813.93)

566.59(370.90,938.09)

0.485

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