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Table 1 Patient and disease characteristics at diagnosis

From: Mediation analysis of the relationship between institutional research activity and patient survival

  Trial hospitals Non-trial hospitals
No. of patients, N (%) 219 (62.2) 133 (37.8)
Age (years)     
    Median (IQR) 64 (57–73) 66 (56–74)
Performance status, N (%)     
    ECOG 0/1 166 (75.8) 101 (75.9)
    ECOG > 1 53 (24.2) 32 (24.1)
Ascites, N (%)     
    ≤ 500 ml 113 (51.6) 59 (44.4)
    > 500 ml 106 (48.4) 74 (55.6)
Comorbidity, N (%)     
    None 166 (75.8) 91 (68.4)
    Present 53 (24.2) 42 (31.6)
Histology, N (%)     
    Serous 167 (76.3) 96 (72.2)
    Other 52 (23.7) 37 (27.8)
Grade, N (%)     
    G 1/2 97 (44.3) 69 (51.9)
    G 3/4 122 (55.7) 64 (48.1)