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Table 2 Haematological parameters of trial participants at baseline (N = 167)

From: Haematological and fibrinolytic status of Nigerian women with post-partum haemorrhage

  n a Mean (SD) / Count (%) Median (25th, 75th centile range) Normal rangeb
Full Blood Count Variables
Red blood cell count (×10^12/L) 130 2.9 (1.0) 3.0 (2.3, 3.7) 3.8–5.8
Haemoglobin (g/L) 132 78.1 (35.6) 79.5 (56, 97) 110–165
Haemoglobin < 110 g/L   116 (87.9%)   
 Microcytic (MCV < 80)   38 (32.8%)   
 Normocytic (MCV 80–100)   75 (64.7%)   
 Macrocytic (MCV > 100)   3 (2.6%)   
Haemoglobin < 70 g/L   53 (40.2%)   
Hematocrit (%) 127 24.2 (7.7) 24.7 (19.2, 30) 35–50
 Hematocrit < 33%   109 (85.8%)   
 Hematocrit < 25%   64 (50.4%)   
White cell count (×10^9/L) 131 11.9 (8.1) 11.2 (5.3, 16.9) 3.5–10.0
White cell count > 25 (×10^9/L)   8 (6.1%)   
Lymphocyte count (×10^9/L) 122 2.6 (2.4) 1.9 (1, 3) 1.2–3.2
Lymphocyte count < 1 (×10^9/L)   26 (21.3%)   
Differential white cell count (monocytes) (×10^9/L) 100 1.8 (1.8) 1.3 (0.6, 2.2) 0.3–0.8
 Differential white cell count (granulocytes) (×10^9/L) 100 8.7 (5.6) 7.7 (5.1, 11.5) 1.2–6.8
Platelet count (×10^9/L) 130 155.2 (101.7) 137 (86, 208) 150–390
 Platelet count < 100 (×10^9/L)   41 (31.5%)   
 Platelet count < 50 (×10^9/L)   17 (13.1%)   
Coagulation variables
Prothrombin time (PT, seconds) 137 19.0 (12.6) 15.2 (13.5, 18.8) 9.6–12.9
Normalised prothrombin ratio 133 1.2 (0.7) 1.0 (0.9, 1.2)  
 Normalised prothrombin ratio > 1.2   29 (21.8%)   
 Normalised prothrombin ratio > 1.5   16 (12.0%)   
Activated partial thromboplastin time (APTT, seconds) 133 35.9 (22.9) 30.4 (27.1, 35.6)  
Thrombin time (TT, seconds) 124 13.1 (12.5) 10.4 (9.1, 12.6)  
Normalised thrombin ratio 124 0.9 (0.9) 0.7 (0.6, 0.9)  
Fibrinogen (g/L) 136 8.4 (6.6) 6.6 (3.2, 12.3)  
 Fibrinogen (< 1 g/L)   4 (2.9%)   
 Fibrinogen (< 2 g/L)   16 (11.8%)   
 Fibrinogen (< 4 g/L)   45 (33.1%)   
D-Dimer (mg/L) 119 8.6 (8.2) 5.7 (2.3, 13.5)  
Thromboelastometry (ROTEM® EXTEM) variables
Clotting time (CT, seconds) 151 127.4 (336.9) 54 (45, 72) 34–66
Amplitude at 5 mins (A5, mm) 146 42.1 (15.8) 47 (35, 53)  
 A5 < 40 mm   49 (33.6%)   
Amplitude at 10 mins (A10, mm) 149 51.6 (17.5) 58 (47, 63) 44–73
Maximum clot firmness (MCF, mm) 146 59.3 (17.5) 65 (56, 70) 55–78
Clot lysis at 30 min (LI30, %) 145 98.0 (10.8) 100 (100, 100)  
Clot lysis at 60 min (LI60, %) 101 93.3 (10.1) 96 (92, 99)  
Maximum Lysis (ML, %) 150 14.7 (20.4) 9 (4, 15) 0–44
 ML > 15%   35 (23.3%)   
Thromboelastometry (ROTEM® APTEM) variables
Clotting time (CT, seconds) 152 245.2 (882.3) 58 (46, 81) 31–71
Amplitude at 5 mins (A5, mm) 143 44.0 (15.2) 48 (35, 54)  
 A5 < 40 mm   49 (33.6%)   
Amplitude at 10 mins (A10, mm) 147 52.9 (16.8) 59 (46, 64) 43–72
Maximum clot firmness (MCF, mm) 144 61.4 (15.6) 67 (58, 71) 56–78
Maximum Lysis (ML, %) 147 5.9 (5.7) 5 (2, 8) 0–14
  1. a Number of women with available data
  2. b Reference ranges for full blood count variables were obtained from the Sysmex KN analyser output. Reference ranges for thromboelastometry variables were obtained from literature [11]