Normal Coagulation Values in Newborns
Values are expressed as mean (standard deviation).
Values will vary at different laboratories.
| Test |
DOL1 |
1 mo |
3 mo |
6 mo. |
adult |
| PT |
13 (1) |
12 (1) |
12 (1) |
12 (1) |
12 (1) |
| PTT |
43 (6) |
40 (7) |
37 (7) |
36 (4) |
33 (3) |
| fibrinogen |
300 (100) |
300 (100) |
200 (100) |
300 (100) |
300 (100) |
| II |
48 (11) |
68 (17) |
75 (15) |
88 (14) |
108 (19) |
| V |
73 (18) |
98 (18) |
90 (21) |
91 (18) |
106 (22) |
| VII |
66 (19) |
90 (24) |
91 (26) |
87 (20) |
105 (19) |
| VIII |
100 (39) |
91 (33) |
79 (23) |
73 (18) |
99 (25) |
| vWF Ag |
150 (67) |
128 (59) |
118 (44) |
107 (45) |
92 (33) |
| IX |
53 (19) |
51 (15) |
67 (23) |
86 (25) |
109 (27) |
| X |
40 (14) |
59 (14) |
71 (18) |
78 (20) |
106 (23) |
| XI |
38 (14) |
53 (14) |
69 (14) |
86 (24) |
97 (15) |
| XII |
53 (20) |
49 (16) |
67 (21) |
82 (23) |
108 (28) |
Please direct all comments to: 
Last modification: July 9, 2000