Table 3.

Progression to maximum paralysis and residual paralysis with patient characteristics and physical examination

	Progression to maximum paralysis		Residual paralysis (at 60 days)
	≤2 weeks, 34 (69.4%)	>2 weeks, 15 (30.6%)	Yes, 23 (46.9%)	No, 26 (53.1%)
Gender
Male	24 (82.8%)	5 (17.2%)	15 (51.7%)	14 (48.3%)
Female	10 (50.0%)	10 (50.0%)	8 (40.0%)	12 (60.0%)
	χ2=5.98, P=0.014*		χ2=0.653, P=0.419
Age category (years)
1–7	18 (69.2%)	8 (30.8%)	8 (30.8%)	18 (69.2%)
8–14	16 (69.6%)	7 (30.4%)	15 (65.2%)	8 (34.8%)
	χ2=0.001, P=0.980		χ2=5.815, P=0.016*
Antecedent infection
Yes	23 (67.6%)	11 (32.4%)	18 (52.9%)	16 (47.1%)
No	11 (73.3%)	4 (26.7%)	5 (33.3%)	10 (66.7%)
	χ2=0.158, P=0.691		χ2=1.607, P=0.205
Season of incident
Fall/winter	17 (77.3%)	5 (22.7%)	14 (63.6%)	8 (36.4%)
Spring/summer	17 (63.0%)	10 (37.0%)	9 (33.3%)	18 (66.7%)
	χ2=1.169, P=0.280		χ2=4.469, P=0.035*
Back or limb pain
Yes	18 (66.7%)	9 (33.3%)	14 (51.9%)	13 (48.1%)
No	16 (72.7%)	6 (27.3%)	9 (40.9%)	13 (59.1%)
	χ2=0.210, P=0.647		χ2=0.853, P=0.445
Limb parathesia/numbness
Yes	3 (42.9%)	4 (57.1%)	3 (42.9%)	4 (57.1%)
No	31 (73.8%)	11 (26.2%)	20 (47.6%)	22 (52.4%)
	F-exact, P=0.117		χ2=0.210, P=0.647
Cranial symptoms
Yes	20 (74.1%)	7 (25.9%)	16 (59.3%)	11 (40.7%)
No	14 (63.6%)	8 (36.4%)	7 (31.8%)	15 (68.2%)
	χ2=0.622, P=0.430		χ2=3.665, P=0.056
Respiratory problems
Yes	9 (100.0%)	0 (0.0%)	6 (66.7%)	3 (33.3%)
No	25 (62.5%)	15 (37.5%)	17 (42.5%)	23 (57.5%)
	χ2=4.864, P=0.027*		χ2=1.723, P=0.189
Autonomic involvement
Yes	8 (80.0%)	2 (20.0%)	6 (60.0%)	4 (40.0%)
No	26 (66.7%)	13 (33.3%)	17 (43.6%)	22 (56.4%)
	F-exact, P=0.344		F-exact, P=0.283

Note:

^*Significant at P<0.05.

Abbreviations: F-exact, Fisher’s exact test; χ² = Pearson’s Chi-square; P = P-value.