Table 4. Example Table: Heterotopic ossification in trials comparing radiotherapy to non-steroidal anti-inflammatory drugs after major hip procedures and fractures.

Author (Year)	Radiotherapy		NSAID
Kienapfel (1999)	12/49	24.5%	20/55	36.4%
Sell (1998)	2/77	2.6%	18/77	23.4%
Kolbl (1997)	39/188	20.7%	18/113	15.9%
Kolbl (1998)	22/46	47.8%	6/54	11.1%
Moore (1998)	9/33	27.3%	18/39	46.2%
Bremen-Kuhne (1997)	9/19	47.4%	11/31	35.5%
Knelles (1997)	5/101	5.0%	46/183	25.4%

NSAID, non-steroidal anti-inflammatory drug.

Adapted from [136].