Variables

Overall

Detect method

Sampling time

RT-PCR

Non-RT-PCR

Pre-treatment

Post-treatment

T stage

(T1-2: T3-4)

n

9

4

5

8

1

OR

0.70

0.34

1.27

0.86

0.25

95%CI

0.31 - 1.58

0.10 - 1.10

0.54 - 3.00

0.36 - 2.06

0.06 - 1.02

I²

35%

33%

0%

30%

/

P

0.39

0.07

0.58

0.73

0.05

N stage

(N0-1: N2-3)

n

10

4

6

9

1

OR

0.50

0.44

0.52

0.48

0.52

95%CI

0.30 - 0.81

0.23 - 0.87

0.21 - 1.32

0.25 - 0.92

0.23 - 1.14

I²

0%

0%

32%

4%

/

P

0.005

0.02

0.17

0.03

0.10

Clinical stage

(I-II: III-IV)

n

10

6

4

9

1

OR

0.68

0.69

0.76

0.73

0.55

95%CI

0.30 - 1.54

0.17 - 2.85

0.31 - 1.87

0.27 - 1.94

0.13 - 2.20

I²

37%

57%

0%

44%

/

P

0.35

0.61

0.56

0.53

0.39

DFS

n

5

3

2

3

2

HR

1.73

1.55

3.70

3.03

1.05

95%CI

1.01 - 2.96

0.77 - 3.13

0.96 - 14.30

1.38 - 6.63

0.50 - 2.20

I²

0%

16%

0%

0%

0%

P

0.05

0.22

0.06

0.006

0.90

OS

n

4

2

2

3

1

HR

2.53

1.58

4.02

3.19

1.36

95%CI

1.37 - 4.69

0.83 - 3.02

1.70 - 9.51

1.73 - 5.90

0.60 - 3.10

I²

43%

0%

34%

18%

/

P

0.003

0.17

0.002

0.0002

0.46