Understanding surgical care delivery in Sub-Saharan Africa: a cross-sectional analysis of surgical volume, operations, and financing at a tertiary referral hospital in rural Tanzania

Table 5 Elective operating day lengths

	Operating day length mean (Hours: Minutes)	Operating day length STDEV (Hours: Minutes)	P-value^•	Availability of data points^••
Theater
1 (General)	5:52	2:13	< 0.0001*	97.1% (101/104)
3 (Gynecology)	5:02	2:26		95.9% (71/74)
4 (Orthopaedics)	6:12	2:02		95.9% (71/74)
5 (Septic)	4:20	2:13		95.1% (116/122)
5 (Septic)	4:20	2:13		94.5% (104/110)
Weekend
Yes	4:34	2:33	0.0282*	91.9% (34/37)
No	5:29	2:17	0.0282*	96.0% (358/373)
All Complete
Yes	5:42	2:23	0.0069*	97.3% (218/224)
No	5:03	2:12	0.0069*	93.5% (174/186)
Total	5:25	2:19		95.6% (392/410)

^•ANOVA or T-Test analysis of Operating Day Length by Theater, Weekend status, and whether all procedures were complete on a given day
^••The numerator is the number of operating days for which this time data was available; the denominator is the number of operating days total for the given condition
*Statistically significant, p<0.05

ISSN: 2397-0642