Table 1

Mean number of hospital admissions from years −1 to 9 among patients compared with controls

Number of admissions among cases; and controls
YearBrain injury (n=434 at baseline)Spinal cord injury (n=100 at baseline)Pelvic fracture (n=278 at baseline)
−10.23; 0.190.38; 0.270.33; 0.25
02.18; 0.16***1.60; 0.18***1.37; 0.20***
+10.55; 0.17***0.94; 0.16***0.49; 0.17***
+20.28; 0.18*0.46; 0.16***0.32; 0.21
+30.30; 0.21*0.44; 0.16*0.20; 0.22
+40.29; 0.19**0.38; 0.17*0.33; 0.22
+50.22; 0.200.25; 0.130.37; 0.21*
+60.25; 0.240.56; 0.14***0.36; 0.18
+70.32; 0.24*0.45; 0.13***0.32; 0.19
+80.28; 0.25*0.48; 0.17**0.25; 0.25
+90.29; 0.24*0.61; 0.14**0.27; 0.24
Mean per year, year 1–90.36; 0.23***0.50; 0.15***0.42; 0.23***

  • Year 0 is the injury year (1996).

  • *Significantly more admitted than controls (p<0.05). **p<0.01, ***p<0.001.