Tabla 4
Proporción de incidencia (PI), razón de incidencia acumulada (RIA), diferencia de riesgo (DR) y sus correspondientes intervalos de confianza del 95% (IC del 95%) de las descalificaciones durante el partido por nivel del torneo, superficie, número de sets y ronda
| N.º de descalificaciones durante | N.º de partidos | PI (IC del 95%) | RIA (IC del 95%) | DR (IC del 95%) | |
| Nivel de torneo | |||||
| Grand Slam | 6 | 32,723 | 0.18 (0.07–0.40) | Ref. | Ref. |
| Master | 9 | 26,928 | 0.33 (0.15–0.63) | 1.82 (0.65–5.12) | 0.15 (-0.11–0.41) |
| 250 o 500 | 42 | 126,041 | 0.33 (0.24–0.45) | 1.82 (0.77–4.27) | 0.15 (-0.03–0.33) |
| Finales del Tour | 0 | 532 | 0.00 (0.00–6.91) | N.D. | N.D. |
| Superficie | |||||
| Tierra batida | 17 | 64,984 | 0.26 (0.15–0.42) | Ref. | Ref. |
| Hierba | 5 | 21,174 | 0.24 (0.08–0.55) | 0.90 (0.33–2.45) | -0.03 (-0.27–0.22) |
| Pista dura | 28 | 82,575 | 0.34 (0.23–0.49) | 1.30 (0.71–2.37) | 0.08 (-0.10–0.25) |
| Moqueta | 7 | 17,491 | 0.40 (0.16–0.82) | 1.53 (0.63–3.69) | 0.14 (-0.18–0.46) |
| Ronda | |||||
| Clasificación | 5 | 25,896 | 0.19 (0.06–0.45) | Ref. | Ref. |
| Preliminar | 39 | 133,166 | 0.29 (0.21–0.40) | 1.52 (0.60–3.85) | 0.10 (-0.09–0.29) |
| Final | 13 | 27,162 | 0.48 (0.25–0.82) | 2.48 (0.88–6.95) | 0.29 (-0.02–0.60) |
| N.D. = No disponible; Ref. = Referencia | |||||
