|   Time of assessment  |       GROUP A  |       GROUP B  |       P  |    ||||||||
|   T0  |       T1 38˚ PO (26 - 49) n = 31  |       T2 98˚ PO (75 - 126) n = 27  |       T3 189˚ PO (180 - 427) n = 29  |       T4 359˚ PO (280 - 751) n = 35  |       T0  |       T1 38˚ PO (26 - 52) n = 31  |       T2 98˚ PO (84 - 168) n = 25  |       T3 193˚ PO (144 - 487) n = 27  |       T4 370˚ PO (305 - 766) n = 33  |    ||
|   Prolonged flowa  |       21 (58.3)  |       4 (12.9)  |       2 (7.4)  |       2 (6.9)  |       2 (5.7)  |       26 (70.3)  |       1 (3.2)  |       3 (12)  |       2 (7.4)  |       1 (3)  |       0.05  |    
|   Increased volumea  |       36 (100)  |       2 (6.4)  |       2 (7.4)  |       4 (13.8)  |       2 (5.7)  |       34 (91.9)  |       1 (3.2)  |       4 (16)  |       3 (11.1)  |       2 (6.1)  |       0.05  |    
|   Intermenstrual bleedinga  |       4 (11.1)  |       1 (3.2)  |       1 (3.7)  |       1 (3.4)  |       0  |       7 (18.9)  |       0  |       2 (8)  |       1 (3.7)  |       0  |       0.05  |    
|   Spottinga  |       1 (2.8)  |       8 (25.8)  |       1 (3.7)  |       0  |       3 (8.6)  |       2 (5.4)  |       4 (12.9)  |       2 (8)  |       1 (3.7)  |       0  |       0.05  |    
|   Increased menstrual frequencya  |       11 (30.6)  |       2 (6.4)  |       0  |       1 (3.4)  |       0  |       9 (24.3)  |       0  |       0  |       0  |       0  |       0.05  |    
|   Absence of menstruationa  |       
  |       16 (51.6)  |       8 (29.6)  |       11 (37.9)  |       14 (40)  |       
  |       15 (48.4)  |       9 (36)  |       12 (44.4)  |       17 (51.5)  |       0.05  |    
|   Reduced volume/Infrequent menstruationa  |       
  |       4 (12.9)  |       9 (33.3)  |       13 (44.8)  |       15 (42.9)  |       
  |       6 (19.3)  |       10 (40)  |       9 (33.3)  |       13 (39.4)  |       0.05  |    
|   Normal menstruationa  |       
  |       3 (9.7)  |       5 (18.5)  |       1 (3.4)  |       3 (8.6)  |       
  |       6 (19.3)  |       2 (8)  |       3 (11.1)  |       3 (9.1)  |       0.05  |    
|   Dysmenorrheaa  |       14 (38.9)  |       1 (3.2)  |       4 (14.8)  |       6 (20.7)  |       4 (11.4)  |       10 (27)  |       0  |       2 (8)  |       5 (18.5)  |       2 (6.1)  |       0.05  |    
|   Pelvic paina  |       1 (2.8)  |       0  |       1 (3.7)  |       2 (6.9)  |       0  |       1 (2.7)  |       1 (3.2)  |       1 (4)  |       2 (7.4)  |       3 (9.1)  |       0.05  |    
|   Use of medicationa*  |       
  |       
  |       5 (18.5)  |       7 (24.1)  |       4 (11.4)  |       
  |       
  |       5 (20)  |       5 (18.5)  |       5 (15.1)  |       0.05  |    
|   Hysterectomya  |       0  |       0  |       0  |       1 (3.4)  |       2 (5.7)  |       2 (5.4)  |       0  |       0  |       1 (3.7)  |       1 (3)  |       0.05  |    
|   Endometrial reablationa  |       0  |       0  |       0  |       0  |       0  |       0  |       0  |       0  |       1 (3.7)  |       0  |       0.05  |    
|   Days bleedingb  |       9 (3 - 20)  |       1 (0 - 36)  |       3 (0 - 15)  |       3 (0 - 15)  |       2 (0 - 10)  |       9 (5 - 39)  |       0 (0 - 37)  |       3 (0 - 25)  |       3 (0 - 30)  |       1 (0 - 25)  |       0.05  |    
|   Pads on the day of heaviest flowb  |       8 (3 - 16)  |       2 (0 - 15)  |       2 (0 - 14)  |       1 (0 - 22)  |       1 (0 - 8)  |       8 (4 - 18)  |       0 (0 - 7)  |       2 (0 - 14)  |       1 (0 - 7)  |       1 (0 - 7)  |       0.05  |    
|   Pads throughout menstruationb  |       40 (12 - 60)  |       17 (0 - 41)  |       13 (0 - 38)  |       9 (0 - 35)  |       10 (0 - 32)  |       38 (4 - 50)  |       5 (0 - 22)  |       5 (0 - 20)  |       2 (0 - 30)  |       4 (0 - 12)  |       0.05  |