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Table 1 Baseline characteristics of patients in model group and validation group

From: Improve individual treatment by comparing treatment benefits: cancer artificial intelligence survival analysis system for cervical carcinoma

Variable

Model group

Validation group

Group difference

N = 7536

N = 7410

Test value

P value

Overall survival [month]

32 (17.54)

31 (17.54)

1.822

0.177

Age [year]

48 (38.59)

47 (38.58)

2.791

0.095

Death [n (%)]

1846 (24.5)

1791 (24.2)

0.198

0.656

PT 0 [n (%)]

1 (0)

6 (0.1)

1.42

0.233

PT 1 [n (%)]

4326 (58.8)

4341 (59.0)

  

PT 2 [n (%)]

1782 (24.2)

1643 (22.3)

  

PT 3 [n (%)]

1158 (15.7)

1171 (15.9)

  

PT 4 [n (%)]

269 (3.7)

249 (3.4)

  

PN 1 [n (%)]

2018 (26.8)

1913 (25.8)

1.733

0.188

PM 1 [n (%)]

875 (11.6)

836 (11.3)

0.367

0.545

Stage 1 [n (%)]

3696 (49.9)

3708 (50.0)

1.43

0.232

Stage 2 [n (%)]

1057 (14.3)

1014 (13.7)

  

Stage 3 [n (%)]

1764 (23.8)

1721 (23.2)

  

Stage 4 [n (%)]

1019 (13.8)

967 (13.0)

  

Radiation_Surgery [n (%)]

1971 (24.8)

1872 (25.3)

0.355

0.551

Chemotherapy [n (%)]

3937 (52.2)

3826 (51.6)

0.532

0.466

  1. Continuous variables were expressed as mean ± standard deviation or median (first quartile, third quartile) as appropriate