Table 1 Baseline information for two groups of patients.

From: Comparison of natural orifice specimen extraction surgery and conventional laparoscopic-assisted resection in the treatment effects of low rectal cancer

Characteristics

Before PSM

After PSM

CLR (N = 106)

NOSES (N = 59)

p value

CLR (N = 59)

NOSES (N = 59)

p value

Gender (N,%)

  

0.16

  

0.46

Male

64(60.4%)

29(49.2%)

 

33(44.1%)

29(49.2%)

 

Female

42(39.6%)

30(50.8%)

 

26(55.9%)

30(50.8%)

 

Age (years)a

59.8 ± 10.4

59.6 ± 12.1

0.92

60.4 ± 9.7

59.6 ± 12.1

0.69

BMI (kg/m2)a

23.0 ± 2.9

23.3 ± 2.7

0.40

23.1 ± 2.9

23.3 ± 2.7

0.66

ASA grade (N,%)

  

0.76

  

0.81

I/II

86(81.1%)

49(83.1%)

 

48(81.4%)

49(83.1%)

 

III

20(18.9%)

10(16.9%)

 

11(18.6%)

10(16.9%)

 

Preoperative CEA (N,%)b

  

0.76

  

0.80

Positive

20(18.9%)

10(16.9%)

 

9(15.3%)

10(16.9%)

 

Negative

86(81.1%)

49(83.1%)

 

50(84.7%)

49(83.1%)

 

T Stage (N,%)

  

0.27

  

0.71

Tis/T1

20(18.9%)

14(23.7%)

 

11(18.6%)

14(23.7%)

 

T2

29(27.3%)

21(35.6%)

 

20(33.9%)

21(35.6%)

 

T3

57(53.8%)

24(40.7%)

 

28(47.5%)

24(40.7%)

 

N Stage (N,%)

  

0.76

  

0.68

N0

73(68.9%)

42(71.2%)

 

44(74.6%)

42(71.2%)

 

N1/N2

33(31.1%)

17(28.8%)

 

15(25.4%)

17(28.8%)

 

Preoperative PFDI-20a

7.11 ± 2.11

6.98 ± 1.65

0.68

7.05 ± 2.01

6.98 ± 1.65

0.84

  1. aMean ± SD.
  2. bThe cut-off value was considered to be 5 ng/ml.
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