Time to Recovery from COVID-19 and Its Predictors in Patients Hospitalized at Tibebe Ghion Specialized Hospital Care and Treatment Center, A Retrospective Follow-Up Study, North West Ethiopia

Table 2

Multivariable Cox regression analysis of median recovery time and its predictors among COVID-19 patients admitted in TGSH, North West Ethiopia, 2022 (n = 452).

Variables	Category	Outcome			CHR 95% CI	AHR (95% CI)	-value
		Censored	Event	Total
Age		55 (12.2)	397 (87.8)	452 (100)	0.96 (0.95, 0.97)	0.98 (0.97, 0.99)	<0.001
Had normal RR at admission	No	25 (18.7)	109 (81.3)	134 (100)	1	1	0.74
	Yes	30 (9.4)	288 (90.6)	318 (100)	1.98 (1.58, 2.48)	1.05 (0.80, 1.37)
Had normal PR at admission	No	27 (21.9)	96 (78.1)	123 (100)	1	1	0.39
	Yes	28 (8.5)	301 (91.5)	329 (100)	1.48 (1.17, 1.86)	1.12 (0.87, 1.43)
Low oxygen saturation	No	17 (7.8)	200 (92.2)	217 (100)	1	1	<0.001
	Yes	38 (16.2)	197 (83.8)	235 (100)	0.16 (0.12, 0.20)	0.42 (0.31, 0.56)
Cough	No	15 (13.4)	97 (86.6)	112 (100)	1	1	0.27
	Yes	40 (11.8)	300 (88.2)	340 (100)	0.79 (0.62, 0.99)	1.15 (0.89, 1.49)
SOB	No	25 (10.6)	221 (89.4)	246 (100)	1	1	0.002
	Yes	30 (14.6)	176 (85.4)	206 (100)	0.30 (0.24, 0.36)	0.65 (0.50, 0.85)
COVID-19 severity score	Mild	8 (9.2)	79 (90.8)	87 (100)	1	1
	Moderate	8 (5.3)	142 (94.7)	150 (100)	0.55 (0.41, 0.72)	0.63 (0.47, 0.85)	0.002
	Sever	39 (18.1)	176 (81.7)	215 (100)	0.12 (0.09, 0.17)	0.32 (0.22, 0.47)	<0.001
Comorbidity	No	30 (10.0)	269 (90.0)	299 (100)	1	1
	Yes	25 (16.3)	128 (83.7)	153 (100)	0.51 (0.41, 0.63)	0.67 (0.53, 0.84)	0.001
WBC	Normal	36 (12)	265 (88.0)	301 (100)	1	1
	Low	2 (5.4)	35 (94.6)	37 (100)	0.69 (0.48, 0.98)	1.23 (0.85, 1.78)	0.27
	High	17 (14.9)	97 (85.1)	114 (100)	0.38 (0.29, 0.48)	0.65 (0.49, 0.87)	0.003
Platelet	Normal	37 (11.3)	291 (88.7)	328 (100)	1	1
	Low	18 (15.7)	97 (84.3)	115 (100)	0.68 (0.54, 0.85)	0.80 (0.62, 1.03)	0.08
	High	1 (11.1)	8 (88.9)	9 (100)	0.83 (0.43, 1.61)	0.61 (0.29, 1.29)	0.20
Hgb	Normal	42 (12.3)	299 (87.7)	341 (100)	1	1
	Low	11 (11.7)	83 (88.3)	94 (100)	0.58 (0.45, 0.75)	0.81 (0.62, 1.07)	0.13
	High	2 (11.8)	15 (88.2)	17 (100)	0.85 (0.51, 1.44)	0.87 (0.50, 1.50)	0.61
Creatinine	Normal	14 (6.8)	192 (93.2)	206 (100)	1	1
	Low	6 (13.0)	40 (87.0)	46 (100)	0.53 (0.37, 0.75)	1.06 (0.72, 1.56)	0.76
	High	35 (17.5)	165 (82.5)	200 (100)	0.55 (0.44, 0.69)	1.04 (0.81, 1.33)	0.78
Oxygen supplemented	No	13 (6.2)	194 (93.7)	207 (100)	1	1	0.64
	Yes	42 (17.1)	203 (82.9)	245 (100)	0.69 (0.56, 0.84)	0.95 (0.75, 1.19)
Corticosteroid	No	16 (8.8)	165 (91.2)	181 (100)	1	1	0.001
	Yes	39 (14.4)	232 (85.6)	271 (100)	1.54 (1.26, 1.89)	1.50 (1.19, 1.89)
UFH	No	47 (12.2)	339 (87.8)	386 (100)	1	1
	Yes	8 (12.2)	58 (87.8)	66 (100)	0.79 (0.49, 0.87)	0.79 (0.57, 1.08)	0.14