Table 2.

Underlying characteristics of women with influenza-like illness

Characteristic	2009 H1N1 positive (n=17)	Other ILI (n=28)	P-value*
Symptoms n(%)
Fever	15 (88.2)	20 (71.4)	0.3
If yes:
Temp, median (range)	101.3 (99.1–103.0)	100.7 (99.5–103.2)	0.4
Cough	16 (94.1)	23 (82.1)	0.4
Stuffiness	12 (70.6)	18 (64.3)	0.8
Sore throat	13 (76.5)	21/27 (77.8)	1.0
Body aches	16 (94.1)	23/27 (85.2)	0.6
Nausea	9 (52.9)	17 (60.7)	0.8
Vomiting	7 (41.2)	12/27 (44.4)	1.0
Diarrhea	3 (17.7)	10/27 (37.0)	0.2
Difficult breathing	11 (64.7)	17 (60.7)	1.0
Contractions	2 (11.8)	3 (11.1)	1.0
Pain relievers prior to presentation n(%)
Acetaminophen	10 (58.8)	14 (50.0)	0.8
NSAID	2 (11.8)	1 (3.6)	0.5
Cold medicine	1 (5.9)	3 (10.7)	1.0
Received 2008/2009 flu vaccine, n(%)	7 (41.2)	10/27 (37.0)	1.0
Received 2009/2010 flu vaccine, n(%)
No	4 (23.5)	10 (35.7)	0.3
Yes	3 (17.7)	9 (32.1)
N/A	10 (58.8)	9 (32.1)
Vital signs, median (range)
Temperature (F)	99.7 (97.8–102.7)	98.8 (97.7–100.6)	0.004
Heart rate	100 (76–150)	98 (70–150)	0.6
BP-systolic	116 (95–126)	116 (11–138)	0.8
BP-diastolic	68 (54–80)	69.5 (55–84)	0.8
Respiratory rate	20 (12–26)	19 (12–28)	0.9
Oxygen saturation	98 (86–100)	98 (88–100)	0.7
Fetal heart rate	150 (125–180)	156 (120–194)	0.2
Therapy, n(%)
Oseltamivir: twice daily	17 (100)	25 (89.3)	0.3
Antibiotics: oral	1 (5.9)	3 (10.7)	1.0
Antibiotics: IV	0	1 (3.6)	1.0
Nasal cannula	1 (5.9)	1 (3.6)	1.0
Face mask	1 (5.9)	2 (7.1)	1.0
Non-rebreather mask	0	1 (3.6)	1.0
Nebulizer	2 (11.8)	4 (14.3)	1.0

^*by Fisher’s exact test, Student’s t-test, or Wilcoxon rank sum as appropriate ILI: influenza-like illness, NSAID: non-steroidal anti-inflammatory drug, N/A: not applicable because vaccine not yet available, F: Fahrenheit, BP: blood pressure, IV: intra-venous