Table 2. Social-demographic and clinical features of febrile pregnant women by the four most common causes of fevers (single diseases only).
| Characteristics | n (%) (n = 250) | Confirmed diagnoses–n (%) (n = 149) | Single disease | |||
|---|---|---|---|---|---|---|
| Dengue fever—n (%) (n = 76) | Pyelonephritis—n (%) (n = 23) | Rickettsioses#—n (%) (n = 19) | Typhoid—n (%) (n = 6) | |||
| Age* | 24 (16–45) | 24 (16–45) | 24 (17–36) | 21 (16–32) | 24 (16–35) | 24 (19–280) |
| Ethnic groups+: Lao loum | 230 (92) | 135 (91) | 74 (97) | 20 (87) | 16 (84) | 3 (50) |
| Lao theung | 1 (0.4) | 1 (0.7) | - | 1 (4) | - | - |
| Lao soung | 14 (5.6) | 10 (7) | - | 2 (9) | 2 (11) | 3 (50) |
| Vietnamese | 5 (2) | 3 (2) | 2 (3) | - | 1 (5) | - |
| Primigravida | 123 (50) | 76 (51) | 39 (51) | 16 (70) | 9 (47) | 1 (17) |
| Gestational age (weeks) * | 24 (4–43) | 23 (4–41) | 25 (4–41) | 21 (8–37) | 22 (5–39) | 25 (5–38) |
| Trimester of pregnancy 1st | 40 (16) | 21 (14) | 10 (13) | 4 (17) | 2 (11) | 1 (17) |
| 2nd | 111 (45) | 72 (48) | 34 (45) | 16 (70) | 12 (63) | 2 (33) |
| 3rd | 97 (39) | 54 (36) | 31 (41) | 4 (17) | 5 (26) | 3 (50) |
| Antibiotic used before admission | 36 (15) | 18 (12) | 7 (9) | 2 (9) | 4 (21) | 2 (33) |
| Days of fever (days)* | 4 (1–120) | 4 (1–28) | 4 (1–14) | 4 (1–28) | 7 (1–12) | 11 (4–15) |
| DysuriaDiarrhea | 34 (14)27 (11) | 21 (14)15 (10) | 8 (11)5 (7) | 5 (22)0 (0) | 2 (11)1 (5) | 2 (33)3 (50) |
| Cough | 78 (31) | 37 (25) | 16 (21) | 3 (13) | 10 (53) | 2 (33) |
| Bleeding | 14 (6) | 11 (7) | 8 (11) | 0 (0) | 0 (0) | 0 (0) |
| Temperature on admission (°C)* | 38.5 (37.5–40.5) | 38.5 (37.5–40.5) | 38.5 (37.5–39.5) | 38.5 (37.9–40) | 38.5 (38–40.5) | 39 (38–40) |
| Rash | 14 (6) | 12 (8) | 10 (13) | 0 (0) | 1 (5) | 0 (0) |
| Eschar | 6 (2) | 3 (2) | 0 (0) | 0 (0) | 2 (11) | 0 (0) |
| Abdominal tenderness | 13 (5) | 7 (5) | 0 (0) | 2 (9) | 0 (0) | 0 (0) |
| Renal angle pain | 24 (10) | 19 (13) | 4 (5) | 10 (43) | 1 (5) | 0 (0) |
| Lung crepitations | 18 (7) | 9 (6) | 2 (3) | 1 (4) | 3 (16) | 0 (0) |
| WBC (x109 cells/L)* | 9.3 (1.7–36.1) | 9 (1.7–36.1) | 6.6 (1.7–22.8) | 12.8 (5.8–36.1) | 9.3 (5.3–14.7) | 10.4 (5.6–13.7) |
| Hematocrit (%)* | 32.2 (15.9–49.2) | 32 (16.7–49.2) | 32.6 (19.8–45.9) | 30 (19.3–39) | 32.1 (23.2–39) | 29 (24–32) |
| Platelets (x109cells/uL)* | 207 (31–735) | 193 (31–475) | 190 (42–392) | 232 (179–376) | 200 (108–393) | 190 (150–384) |
| C-Reactive Protein (mg/L)* | 39.9 (0.3–210.8) | 38.9 (0.4–206.6) | 15.3 (0.4–146) | 118.5(29–196) | 63.9 (24–160) | 116 (40–126) |
| C-Reactive Protein (n = 224) ≥ 10 mg/L [53] | 178 (79) | 99 (66) | 38 (50) | 21 (91) | 16 (84) | 5 (83) |
#. Rickettsioses = scrub typhus or murine typhus
*. median (min-max), + ethnic groups are based on IFAD 2012 [66]