Table 4. Univariable Associations with Failure of 3-Year Stoma-Free Survival
Candidate Predictor N Crude Risk Ratio (95% CI) 95% CI p-value
Surgery_Type 621

0.046
    ISR
— —
    LAR
0.68 0.49, 0.94
Age 621 1.04 1.02, 1.06 <0.001
Sex 621

0.565
    Female
— —
    Male
1.11 0.81, 1.51
BMI 621 1.01 0.97, 1.04 0.741
ASA_Class 621

0.002
    I-II
— —
    III-IV
1.72 1.26, 2.34
Smoking 621

0.464
    Non-smoker
— —
    Smoker
1.17 0.81, 1.67
Diabetes 621

0.361
    No
— —
    Yes
1.18 0.86, 1.60
CVD 621

0.656
    No
— —
    Yes
0.89 0.56, 1.41
Prior_Surg 621

0.756
    No
— —
    Yes
1.06 0.76, 1.48
Hemoglobin 621 0.99 0.86, 1.13 0.864
Creatinine 621 5.17 2.23, 12.0 0.001
Albumin 621 0.91 0.62, 1.33 0.653
Tumor_Dist 621 0.92 0.87, 0.97 0.006
T_Stage 621

<0.001
    T1-T2
— —
    T3-T4
2.03 1.45, 2.85
N_Positive 621

0.002
    No
— —
    Yes
1.83 1.27, 2.63
TNM 621

0.001
    I
— —
    II
1.77 0.90, 3.47
    III
2.63 1.50, 4.63
Neoadj 621

0.003
    Chemotherapy
— —
    CRT
1.67 0.92, 3.04
    None
0.40 0.12, 1.38
Surg_Method 621

0.772
    Laparoscopic
— —
    Open
0.92 0.56, 1.52
Op_Time 621 1.00 1.00, 1.00 0.216
Blood_Loss 621 1.00 1.00, 1.00 0.739
AL_Grade 621

<0.001
    No
— —
    Yes
3.03 2.21, 4.17
Stenosis 621

<0.001
    No
— —
    Yes
3.67 2.78, 4.85
Sepsis 621

<0.001
    No
— —
    Yes
5.18 4.40, 6.09
Fistula 621

0.006
    No
— —
    Yes
3.53 2.29, 5.47
Prolapse 621

0.064
    No
— —
    Yes
3.70 2.06, 6.66
Late_Comp 621

<0.001
    No
— —
    Yes
4.26 3.26, 5.56
Failure_Pathway 621

<0.001
    No
— —
    Yes
4.14 3.14, 5.48
Recurrence 621

<0.001
    No
— —
    Yes
4.90 3.87, 6.21
Abbreviations: CI = Confidence Interval, IRR = Incidence Rate Ratio