Table 3: Clinical data for management of retained placenta by treatment group (per protocol population, PP).

VariableNitroglycerin ( )Placebo ( ) -valueRelative Risk (RR) 95% CI

Placental detachment
19 (37.3)11 (20.4)0.0561.83 (0.97; 3.46)

Blood loss after treatment (mL)
 Mean (SD)474 (470)569 (468) 0.31
 Median (range)250.0 (50; 2200)400 (0; 1800)

Total blood loss (mL)
 Mean (SD)1020 (604)1091 (662) 0.58
 Median (range)925 (200; 2500)950 (150; 3000)

Total blood loss ≥1000 mL
23 (45.1)25 (46.3)0.900.97 (0.64; 1.48)

Per protocol population (PP): randomized patients who all received 1 mg nitroglycerin or placebo tablets.