Table 2.

Comparison of demographic and clinical characteristics of patients pre- and post- clinical practice guidelines.

Variable	Pre-CPG	Post- CPG	p
Age (months), mean (SD)	7.3 (5.6)	6.6 (5.1)	0.35
Sex			0.67
Female	31 (35.2)	29 (32.2)
Male	57 (64.8)	61 (67.8)
Gestational age			0.91
Premature	13 (14.8)	14 (15.4)
Full term	75 (85.2)	77 (84.6)
Smoking exposure	52 (59.1)	56 (61.5)	0.74
Day care attendance	13 (14.8)	14 (15.4)	0.91
Breast feeding	70 (79.5)	62 (68.1)	0.08
Axillary temperature >38°C	44 (60.3)	42 (46.2)	0.07
Rhinorrhea	59(67)	66 (72.5)	0.42
Cough	80 (90.9)	87 (95.6)	0.21
Wheezing	54 (61.4)	58 (63.7)	0.74
Apnea	3 (3.4)	25 (27.5)	<0.001*
Difficulty breathing	67 (76.1)	80 (87.9)	0.04*
Cyanosis	11 (12.5)	20(22)	0.09
Tachypnea	60 (68.2)	50 (54.9)	0.07
SpO2			0.007*
>94	60 (68.2)	41 (45.1)
90-94	12 (13.6)	19 (20.9)
<90	16 (18.2)	31 (34.1)
Retractions	45 (51.1)	31 (34.1)	0.02*
Flaring	35 (39.8)	14 (15.4)	<0.001*
Grunting	15(17)	9 (9.9)	0.16
Wheezing	47 (53.4)	44 (48.4)	0.50
Crackles	36 (40.9)	5 (5.5)	<0.001*
Severe disease	65(73.9)	81(89)	0.009*
Chest radiograph findings
Interstitial markings	36 (40.9)	34 (38.2)	0.71
Hyperinflation	25 (28.4)	18 (20.2)	0.20
Atelectasis	12 (13.6)	22 (24.7)	0.06
Peribronchial thickening	45 (51.1)	47 (52.8)	0.82
Consolidation	13 (14.8)	12 (13.3)	0.78
Normal radiographic findings	30 (34.1)	22 (24.7)	0.17
White blood count			0.29
<15000	58 (67.4)	68 (74.7)
>15000	28 (32.6)	23 (25.3)
Respiratory syncytial virus positive	19 (21.6)	21(23.1)	0.81
Secondary diagnosis	25 (28.4)	37 (40.7)	0.09
Length of stay, days			0.78
<3	54 (61.4)	54 (59.3)
>3	34 (38.6)	37 (40.7)
Length of stay (mean), days	3.47(2)	4.04 (3.5)	0.19
Total cost mean (SD), US$	449.4 (329.1)	507.3 (286.1)	0.24

Data presented as number and (%); SD, standard deviation; *statistically significant at p<0.05.