|
| Regression coefficient | Standard error | t value | p value |
| Intercept | −2.556 × 10−15 | 1.837 × 10−2 | 0 | 1 |
| Length of train lines | 0.1557 | 3.203 × 10−2 | 4.861 | 1.24 × 10−6 |
| Length of through service sections | 0.2304 | 2.957 × 10−2 | 7.792 | 9.64 × 10−15 |
| Number of operating trains per hour during peak hours | −8.277 × 10−2 | 2.964 × 10−2 | −2.793 | 0.00527 |
| Number of transported passengers per hour during peak hours | 0.1529 | 3.874 × 10−2 | 3.946 | 8.17 × 10−5 |
| Number of stairs and escalators in terminal stations | −7.450 × 10−2 | 2.875 × 10−2 | −2.591 | 0.00962 |
| Number of trains according to type | −0.1309 | 2.577 × 10−2 | −5.081 | 4.04 × 10−7 |
| Number of connecting operation stations | −0.1155 | 5.112 × 10−2 | −2.258 | 0.02400 |
| Length of lines with connecting operation | 0.1614 | 5.229 × 10−2 | 3.086 | 0.00205 |