Table 2 Two-year outcomes according to gender combination

Male to male

22.8 % (15.4–31.1)

36.6 % (28.1–45.1)

40.7 % (31.3–50)

42.4 % (32.8–52)

15.7 % (8.3–25.2)

Female to male

29.2 % (21.1–37.8)

40.8 % (32.3–49.2)

29.9 % (21.3–38.6)

33 % (24.1–41.9)

10.1 % (4.7–18)

Male to female

29 % (21–37.5)

35.1 % (26.7–43.6)

35.9 % (27.1–44.7)

40.9 % (32.1–49.8)

13 % (6.9–21.1)

Female to female

26.3 % (18.9–34.2)

28.4 % (20.4–36.9)

45.3 % (36.5–54.1)

51 % (42.3–59.7)

11.6 % (6.1–19)

P

0.8096

0.098598

0.040965

0.030146

0.83169